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<a href="#312" id="312">312</a>
|
||
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|
||
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|
||
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|
||
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|
||
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|
||
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|
||
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|
||
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|
||
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|
||
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|
||
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|
||
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|
||
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|
||
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|
||
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|
||
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|
||
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|
||
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|
||
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|
||
<a href="#332" id="332">332</a>
|
||
<a href="#333" id="333">333</a>
|
||
<a href="#334" id="334">334</a>
|
||
<a href="#335" id="335">335</a>
|
||
<a href="#336" id="336">336</a>
|
||
<a href="#337" id="337">337</a>
|
||
<a href="#338" id="338">338</a>
|
||
<a href="#339" id="339">339</a>
|
||
<a href="#340" id="340">340</a>
|
||
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|
||
<a href="#342" id="342">342</a>
|
||
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|
||
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|
||
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|
||
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|
||
<a href="#347" id="347">347</a>
|
||
<a href="#348" id="348">348</a>
|
||
<a href="#349" id="349">349</a>
|
||
<a href="#350" id="350">350</a>
|
||
<a href="#351" id="351">351</a>
|
||
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|
||
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|
||
<a href="#354" id="354">354</a>
|
||
<a href="#355" id="355">355</a>
|
||
<a href="#356" id="356">356</a>
|
||
<a href="#357" id="357">357</a>
|
||
<a href="#358" id="358">358</a>
|
||
<a href="#359" id="359">359</a>
|
||
<a href="#360" id="360">360</a>
|
||
<a href="#361" id="361">361</a>
|
||
<a href="#362" id="362">362</a>
|
||
<a href="#363" id="363">363</a>
|
||
<a href="#364" id="364">364</a>
|
||
<a href="#365" id="365">365</a>
|
||
<a href="#366" id="366">366</a>
|
||
<a href="#367" id="367">367</a>
|
||
<a href="#368" id="368">368</a>
|
||
<a href="#369" id="369">369</a>
|
||
<a href="#370" id="370">370</a>
|
||
<a href="#371" id="371">371</a>
|
||
<a href="#372" id="372">372</a>
|
||
<a href="#373" id="373">373</a>
|
||
<a href="#374" id="374">374</a>
|
||
<a href="#375" id="375">375</a>
|
||
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|
||
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|
||
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|
||
<a href="#379" id="379">379</a>
|
||
<a href="#380" id="380">380</a>
|
||
<a href="#381" id="381">381</a>
|
||
<a href="#382" id="382">382</a>
|
||
<a href="#383" id="383">383</a>
|
||
<a href="#384" id="384">384</a>
|
||
<a href="#385" id="385">385</a>
|
||
<a href="#386" id="386">386</a>
|
||
<a href="#387" id="387">387</a>
|
||
<a href="#388" id="388">388</a>
|
||
<a href="#389" id="389">389</a>
|
||
<a href="#390" id="390">390</a>
|
||
<a href="#391" id="391">391</a>
|
||
<a href="#392" id="392">392</a>
|
||
<a href="#393" id="393">393</a>
|
||
<a href="#394" id="394">394</a>
|
||
<a href="#395" id="395">395</a>
|
||
<a href="#396" id="396">396</a>
|
||
<a href="#397" id="397">397</a>
|
||
<a href="#398" id="398">398</a>
|
||
<a href="#399" id="399">399</a>
|
||
<a href="#400" id="400">400</a>
|
||
<a href="#401" id="401">401</a>
|
||
<a href="#402" id="402">402</a>
|
||
<a href="#403" id="403">403</a>
|
||
<a href="#404" id="404">404</a>
|
||
<a href="#405" id="405">405</a>
|
||
<a href="#406" id="406">406</a>
|
||
<a href="#407" id="407">407</a>
|
||
<a href="#408" id="408">408</a>
|
||
<a href="#409" id="409">409</a>
|
||
<a href="#410" id="410">410</a>
|
||
<a href="#411" id="411">411</a>
|
||
<a href="#412" id="412">412</a>
|
||
<a href="#413" id="413">413</a>
|
||
<a href="#414" id="414">414</a>
|
||
<a href="#415" id="415">415</a>
|
||
<a href="#416" id="416">416</a>
|
||
<a href="#417" id="417">417</a>
|
||
<a href="#418" id="418">418</a>
|
||
<a href="#419" id="419">419</a>
|
||
<a href="#420" id="420">420</a>
|
||
<a href="#421" id="421">421</a>
|
||
<a href="#422" id="422">422</a>
|
||
<a href="#423" id="423">423</a>
|
||
<a href="#424" id="424">424</a>
|
||
<a href="#425" id="425">425</a>
|
||
<a href="#426" id="426">426</a>
|
||
<a href="#427" id="427">427</a>
|
||
<a href="#428" id="428">428</a>
|
||
<a href="#429" id="429">429</a>
|
||
<a href="#430" id="430">430</a>
|
||
<a href="#431" id="431">431</a>
|
||
<a href="#432" id="432">432</a>
|
||
<a href="#433" id="433">433</a>
|
||
<a href="#434" id="434">434</a>
|
||
<a href="#435" id="435">435</a>
|
||
<a href="#436" id="436">436</a>
|
||
<a href="#437" id="437">437</a>
|
||
<a href="#438" id="438">438</a>
|
||
<a href="#439" id="439">439</a>
|
||
<a href="#440" id="440">440</a>
|
||
<a href="#441" id="441">441</a>
|
||
<a href="#442" id="442">442</a>
|
||
<a href="#443" id="443">443</a>
|
||
<a href="#444" id="444">444</a>
|
||
<a href="#445" id="445">445</a>
|
||
<a href="#446" id="446">446</a>
|
||
<a href="#447" id="447">447</a>
|
||
<a href="#448" id="448">448</a>
|
||
<a href="#449" id="449">449</a>
|
||
<a href="#450" id="450">450</a>
|
||
<a href="#451" id="451">451</a>
|
||
<a href="#452" id="452">452</a>
|
||
<a href="#453" id="453">453</a>
|
||
<a href="#454" id="454">454</a>
|
||
<a href="#455" id="455">455</a>
|
||
<a href="#456" id="456">456</a>
|
||
<a href="#457" id="457">457</a>
|
||
<a href="#458" id="458">458</a>
|
||
<a href="#459" id="459">459</a>
|
||
<a href="#460" id="460">460</a>
|
||
<a href="#461" id="461">461</a>
|
||
<a href="#462" id="462">462</a>
|
||
<a href="#463" id="463">463</a>
|
||
<a href="#464" id="464">464</a>
|
||
<a href="#465" id="465">465</a>
|
||
<a href="#466" id="466">466</a>
|
||
<a href="#467" id="467">467</a>
|
||
<a href="#468" id="468">468</a>
|
||
<a href="#469" id="469">469</a>
|
||
<a href="#470" id="470">470</a>
|
||
<a href="#471" id="471">471</a>
|
||
<a href="#472" id="472">472</a>
|
||
<a href="#473" id="473">473</a>
|
||
<a href="#474" id="474">474</a>
|
||
<a href="#475" id="475">475</a>
|
||
<a href="#476" id="476">476</a>
|
||
<a href="#477" id="477">477</a>
|
||
<a href="#478" id="478">478</a>
|
||
<a href="#479" id="479">479</a>
|
||
<a href="#480" id="480">480</a>
|
||
<a href="#481" id="481">481</a>
|
||
<a href="#482" id="482">482</a>
|
||
<a href="#483" id="483">483</a>
|
||
<a href="#484" id="484">484</a>
|
||
<a href="#485" id="485">485</a>
|
||
<a href="#486" id="486">486</a>
|
||
<a href="#487" id="487">487</a>
|
||
<a href="#488" id="488">488</a>
|
||
<a href="#489" id="489">489</a>
|
||
<a href="#490" id="490">490</a>
|
||
<a href="#491" id="491">491</a>
|
||
<a href="#492" id="492">492</a>
|
||
<a href="#493" id="493">493</a>
|
||
<a href="#494" id="494">494</a>
|
||
<a href="#495" id="495">495</a>
|
||
<a href="#496" id="496">496</a>
|
||
<a href="#497" id="497">497</a>
|
||
<a href="#498" id="498">498</a>
|
||
<a href="#499" id="499">499</a>
|
||
<a href="#500" id="500">500</a>
|
||
<a href="#501" id="501">501</a>
|
||
<a href="#502" id="502">502</a>
|
||
<a href="#503" id="503">503</a>
|
||
<a href="#504" id="504">504</a>
|
||
<a href="#505" id="505">505</a>
|
||
<a href="#506" id="506">506</a>
|
||
<a href="#507" id="507">507</a>
|
||
<a href="#508" id="508">508</a>
|
||
<a href="#509" id="509">509</a>
|
||
<a href="#510" id="510">510</a>
|
||
<a href="#511" id="511">511</a>
|
||
<a href="#512" id="512">512</a>
|
||
<a href="#513" id="513">513</a>
|
||
<a href="#514" id="514">514</a>
|
||
<a href="#515" id="515">515</a>
|
||
<a href="#516" id="516">516</a>
|
||
<a href="#517" id="517">517</a>
|
||
<a href="#518" id="518">518</a>
|
||
<a href="#519" id="519">519</a>
|
||
<a href="#520" id="520">520</a>
|
||
<a href="#521" id="521">521</a>
|
||
<a href="#522" id="522">522</a>
|
||
<a href="#523" id="523">523</a>
|
||
<a href="#524" id="524">524</a>
|
||
<a href="#525" id="525">525</a>
|
||
<a href="#526" id="526">526</a>
|
||
<a href="#527" id="527">527</a>
|
||
<a href="#528" id="528">528</a>
|
||
<a href="#529" id="529">529</a>
|
||
<a href="#530" id="530">530</a>
|
||
<a href="#531" id="531">531</a>
|
||
<a href="#532" id="532">532</a>
|
||
<a href="#533" id="533">533</a>
|
||
<a href="#534" id="534">534</a>
|
||
<a href="#535" id="535">535</a>
|
||
<a href="#536" id="536">536</a>
|
||
<a href="#537" id="537">537</a>
|
||
<a href="#538" id="538">538</a>
|
||
<a href="#539" id="539">539</a>
|
||
<a href="#540" id="540">540</a>
|
||
<a href="#541" id="541">541</a>
|
||
<a href="#542" id="542">542</a>
|
||
<a href="#543" id="543">543</a>
|
||
<a href="#544" id="544">544</a>
|
||
<a href="#545" id="545">545</a>
|
||
<a href="#546" id="546">546</a>
|
||
<a href="#547" id="547">547</a>
|
||
<a href="#548" id="548">548</a>
|
||
<a href="#549" id="549">549</a>
|
||
<a href="#550" id="550">550</a>
|
||
<a href="#551" id="551">551</a>
|
||
<a href="#552" id="552">552</a>
|
||
<a href="#553" id="553">553</a>
|
||
<a href="#554" id="554">554</a>
|
||
<a href="#555" id="555">555</a>
|
||
<a href="#556" id="556">556</a>
|
||
<a href="#557" id="557">557</a>
|
||
<a href="#558" id="558">558</a>
|
||
<a href="#559" id="559">559</a>
|
||
<a href="#560" id="560">560</a>
|
||
<a href="#561" id="561">561</a>
|
||
<a href="#562" id="562">562</a>
|
||
<a href="#563" id="563">563</a>
|
||
<a href="#564" id="564">564</a>
|
||
<a href="#565" id="565">565</a>
|
||
<a href="#566" id="566">566</a>
|
||
<a href="#567" id="567">567</a>
|
||
<a href="#568" id="568">568</a>
|
||
<a href="#569" id="569">569</a>
|
||
<a href="#570" id="570">570</a>
|
||
<a href="#571" id="571">571</a>
|
||
<a href="#572" id="572">572</a>
|
||
<a href="#573" id="573">573</a>
|
||
<a href="#574" id="574">574</a>
|
||
<a href="#575" id="575">575</a>
|
||
<a href="#576" id="576">576</a>
|
||
<a href="#577" id="577">577</a>
|
||
<a href="#578" id="578">578</a>
|
||
<a href="#579" id="579">579</a>
|
||
<a href="#580" id="580">580</a>
|
||
<a href="#581" id="581">581</a>
|
||
<a href="#582" id="582">582</a>
|
||
<a href="#583" id="583">583</a>
|
||
<a href="#584" id="584">584</a>
|
||
<a href="#585" id="585">585</a>
|
||
<a href="#586" id="586">586</a>
|
||
<a href="#587" id="587">587</a>
|
||
<a href="#588" id="588">588</a>
|
||
<a href="#589" id="589">589</a>
|
||
<a href="#590" id="590">590</a>
|
||
<a href="#591" id="591">591</a>
|
||
<a href="#592" id="592">592</a>
|
||
<a href="#593" id="593">593</a>
|
||
<a href="#594" id="594">594</a>
|
||
<a href="#595" id="595">595</a>
|
||
<a href="#596" id="596">596</a>
|
||
<a href="#597" id="597">597</a>
|
||
<a href="#598" id="598">598</a>
|
||
<a href="#599" id="599">599</a>
|
||
<a href="#600" id="600">600</a>
|
||
<a href="#601" id="601">601</a>
|
||
<a href="#602" id="602">602</a>
|
||
<a href="#603" id="603">603</a>
|
||
<a href="#604" id="604">604</a>
|
||
<a href="#605" id="605">605</a>
|
||
<a href="#606" id="606">606</a>
|
||
<a href="#607" id="607">607</a>
|
||
<a href="#608" id="608">608</a>
|
||
<a href="#609" id="609">609</a>
|
||
<a href="#610" id="610">610</a>
|
||
<a href="#611" id="611">611</a>
|
||
<a href="#612" id="612">612</a>
|
||
<a href="#613" id="613">613</a>
|
||
<a href="#614" id="614">614</a>
|
||
<a href="#615" id="615">615</a>
|
||
<a href="#616" id="616">616</a>
|
||
<a href="#617" id="617">617</a>
|
||
<a href="#618" id="618">618</a>
|
||
<a href="#619" id="619">619</a>
|
||
<a href="#620" id="620">620</a>
|
||
<a href="#621" id="621">621</a>
|
||
<a href="#622" id="622">622</a>
|
||
<a href="#623" id="623">623</a>
|
||
<a href="#624" id="624">624</a>
|
||
<a href="#625" id="625">625</a>
|
||
<a href="#626" id="626">626</a>
|
||
<a href="#627" id="627">627</a>
|
||
<a href="#628" id="628">628</a>
|
||
<a href="#629" id="629">629</a>
|
||
<a href="#630" id="630">630</a>
|
||
<a href="#631" id="631">631</a>
|
||
<a href="#632" id="632">632</a>
|
||
<a href="#633" id="633">633</a>
|
||
<a href="#634" id="634">634</a>
|
||
<a href="#635" id="635">635</a>
|
||
<a href="#636" id="636">636</a>
|
||
<a href="#637" id="637">637</a>
|
||
<a href="#638" id="638">638</a>
|
||
<a href="#639" id="639">639</a>
|
||
</pre></div><pre class="rust"><code><span class="kw">use </span><span class="kw">crate</span>::indexmap::{<span class="self">self</span>, IndexMap};
|
||
<span class="kw">use </span>core::{borrow::Borrow, fmt, iter::FromIterator};
|
||
<span class="kw">use </span>hash32::{BuildHasher, BuildHasherDefault, FnvHasher, Hash};
|
||
|
||
<span class="doccomment">/// A [`heapless::IndexSet`](./struct.IndexSet.html) using the
|
||
/// default FNV hasher.
|
||
/// A list of all Methods and Traits available for `FnvIndexSet` can be found in
|
||
/// the [`heapless::IndexSet`](./struct.IndexSet.html) documentation.
|
||
///
|
||
/// # Examples
|
||
/// ```
|
||
/// use heapless::FnvIndexSet;
|
||
///
|
||
/// // A hash set with a capacity of 16 elements allocated on the stack
|
||
/// let mut books = FnvIndexSet::<_, 16>::new();
|
||
///
|
||
/// // Add some books.
|
||
/// books.insert("A Dance With Dragons").unwrap();
|
||
/// books.insert("To Kill a Mockingbird").unwrap();
|
||
/// books.insert("The Odyssey").unwrap();
|
||
/// books.insert("The Great Gatsby").unwrap();
|
||
///
|
||
/// // Check for a specific one.
|
||
/// if !books.contains("The Winds of Winter") {
|
||
/// println!("We have {} books, but The Winds of Winter ain't one.",
|
||
/// books.len());
|
||
/// }
|
||
///
|
||
/// // Remove a book.
|
||
/// books.remove("The Odyssey");
|
||
///
|
||
/// // Iterate over everything.
|
||
/// for book in &books {
|
||
/// println!("{}", book);
|
||
/// }
|
||
/// ```
|
||
</span><span class="kw">pub type </span>FnvIndexSet<T, <span class="kw">const </span>N: usize> = IndexSet<T, BuildHasherDefault<FnvHasher>, N>;
|
||
|
||
<span class="doccomment">/// Fixed capacity [`IndexSet`](https://docs.rs/indexmap/1/indexmap/set/struct.IndexSet.html).
|
||
///
|
||
/// Note that you cannot use `IndexSet` directly, since it is generic around the hashing algorithm
|
||
/// in use. Pick a concrete instantiation like [`FnvIndexSet`](./type.FnvIndexSet.html) instead
|
||
/// or create your own.
|
||
///
|
||
/// Note that the capacity of the `IndexSet` must be a power of 2.
|
||
///
|
||
/// # Examples
|
||
/// Since `IndexSet` cannot be used directly, we're using its `FnvIndexSet` instantiation
|
||
/// for this example.
|
||
///
|
||
/// ```
|
||
/// use heapless::FnvIndexSet;
|
||
///
|
||
/// // A hash set with a capacity of 16 elements allocated on the stack
|
||
/// let mut books = FnvIndexSet::<_, 16>::new();
|
||
///
|
||
/// // Add some books.
|
||
/// books.insert("A Dance With Dragons").unwrap();
|
||
/// books.insert("To Kill a Mockingbird").unwrap();
|
||
/// books.insert("The Odyssey").unwrap();
|
||
/// books.insert("The Great Gatsby").unwrap();
|
||
///
|
||
/// // Check for a specific one.
|
||
/// if !books.contains("The Winds of Winter") {
|
||
/// println!("We have {} books, but The Winds of Winter ain't one.",
|
||
/// books.len());
|
||
/// }
|
||
///
|
||
/// // Remove a book.
|
||
/// books.remove("The Odyssey");
|
||
///
|
||
/// // Iterate over everything.
|
||
/// for book in &books {
|
||
/// println!("{}", book);
|
||
/// }
|
||
/// ```
|
||
</span><span class="kw">pub struct </span>IndexSet<T, S, <span class="kw">const </span>N: usize> {
|
||
map: IndexMap<T, (), S, N>,
|
||
}
|
||
|
||
<span class="kw">impl</span><T, S, <span class="kw">const </span>N: usize> IndexSet<T, BuildHasherDefault<S>, N> {
|
||
<span class="doccomment">/// Creates an empty `IndexSet`
|
||
</span><span class="kw">pub const fn </span>new() -> <span class="self">Self </span>{
|
||
IndexSet {
|
||
map: IndexMap::new(),
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><T, S, <span class="kw">const </span>N: usize> IndexSet<T, S, N>
|
||
<span class="kw">where
|
||
</span>T: Eq + Hash,
|
||
S: BuildHasher,
|
||
{
|
||
<span class="doccomment">/// Returns the number of elements the set can hold
|
||
///
|
||
/// # Examples
|
||
///
|
||
/// ```
|
||
/// use heapless::FnvIndexSet;
|
||
///
|
||
/// let set = FnvIndexSet::<i32, 16>::new();
|
||
/// assert_eq!(set.capacity(), 16);
|
||
/// ```
|
||
</span><span class="kw">pub fn </span>capacity(<span class="kw-2">&</span><span class="self">self</span>) -> usize {
|
||
<span class="self">self</span>.map.capacity()
|
||
}
|
||
|
||
<span class="doccomment">/// Return an iterator over the values of the set, in their order
|
||
///
|
||
/// # Examples
|
||
///
|
||
/// ```
|
||
/// use heapless::FnvIndexSet;
|
||
///
|
||
/// let mut set = FnvIndexSet::<_, 16>::new();
|
||
/// set.insert("a").unwrap();
|
||
/// set.insert("b").unwrap();
|
||
///
|
||
/// // Will print in an arbitrary order.
|
||
/// for x in set.iter() {
|
||
/// println!("{}", x);
|
||
/// }
|
||
/// ```
|
||
</span><span class="kw">pub fn </span>iter(<span class="kw-2">&</span><span class="self">self</span>) -> Iter<<span class="lifetime">'_</span>, T> {
|
||
Iter {
|
||
iter: <span class="self">self</span>.map.iter(),
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// Get the first value
|
||
///
|
||
/// Computes in **O(1)** time
|
||
</span><span class="kw">pub fn </span>first(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>T> {
|
||
<span class="self">self</span>.map.first().map(|(k, _v)| k)
|
||
}
|
||
|
||
<span class="doccomment">/// Get the last value
|
||
///
|
||
/// Computes in **O(1)** time
|
||
</span><span class="kw">pub fn </span>last(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>T> {
|
||
<span class="self">self</span>.map.last().map(|(k, _v)| k)
|
||
}
|
||
|
||
<span class="doccomment">/// Visits the values representing the difference, i.e. the values that are in `self` but not in
|
||
/// `other`.
|
||
///
|
||
/// # Examples
|
||
///
|
||
/// ```
|
||
/// use heapless::FnvIndexSet;
|
||
///
|
||
/// let mut a: FnvIndexSet<_, 16> = [1, 2, 3].iter().cloned().collect();
|
||
/// let mut b: FnvIndexSet<_, 16> = [4, 2, 3, 4].iter().cloned().collect();
|
||
///
|
||
/// // Can be seen as `a - b`.
|
||
/// for x in a.difference(&b) {
|
||
/// println!("{}", x); // Print 1
|
||
/// }
|
||
///
|
||
/// let diff: FnvIndexSet<_, 16> = a.difference(&b).collect();
|
||
/// assert_eq!(diff, [1].iter().collect::<FnvIndexSet<_, 16>>());
|
||
///
|
||
/// // Note that difference is not symmetric,
|
||
/// // and `b - a` means something else:
|
||
/// let diff: FnvIndexSet<_, 16> = b.difference(&a).collect();
|
||
/// assert_eq!(diff, [4].iter().collect::<FnvIndexSet<_, 16>>());
|
||
/// ```
|
||
</span><span class="kw">pub fn </span>difference<<span class="lifetime">'a</span>, S2, <span class="kw">const </span>N2: usize>(
|
||
<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>,
|
||
other: <span class="kw-2">&</span><span class="lifetime">'a </span>IndexSet<T, S2, N2>,
|
||
) -> Difference<<span class="lifetime">'a</span>, T, S2, N2>
|
||
<span class="kw">where
|
||
</span>S2: BuildHasher,
|
||
{
|
||
Difference {
|
||
iter: <span class="self">self</span>.iter(),
|
||
other,
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// Visits the values representing the symmetric difference, i.e. the values that are in `self`
|
||
/// or in `other` but not in both.
|
||
///
|
||
/// # Examples
|
||
///
|
||
/// ```
|
||
/// use heapless::FnvIndexSet;
|
||
///
|
||
/// let mut a: FnvIndexSet<_, 16> = [1, 2, 3].iter().cloned().collect();
|
||
/// let mut b: FnvIndexSet<_, 16> = [4, 2, 3, 4].iter().cloned().collect();
|
||
///
|
||
/// // Print 1, 4 in that order order.
|
||
/// for x in a.symmetric_difference(&b) {
|
||
/// println!("{}", x);
|
||
/// }
|
||
///
|
||
/// let diff1: FnvIndexSet<_, 16> = a.symmetric_difference(&b).collect();
|
||
/// let diff2: FnvIndexSet<_, 16> = b.symmetric_difference(&a).collect();
|
||
///
|
||
/// assert_eq!(diff1, diff2);
|
||
/// assert_eq!(diff1, [1, 4].iter().collect::<FnvIndexSet<_, 16>>());
|
||
/// ```
|
||
</span><span class="kw">pub fn </span>symmetric_difference<<span class="lifetime">'a</span>, S2, <span class="kw">const </span>N2: usize>(
|
||
<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>,
|
||
other: <span class="kw-2">&</span><span class="lifetime">'a </span>IndexSet<T, S2, N2>,
|
||
) -> <span class="kw">impl </span>Iterator<Item = <span class="kw-2">&</span><span class="lifetime">'a </span>T>
|
||
<span class="kw">where
|
||
</span>S2: BuildHasher,
|
||
{
|
||
<span class="self">self</span>.difference(other).chain(other.difference(<span class="self">self</span>))
|
||
}
|
||
|
||
<span class="doccomment">/// Visits the values representing the intersection, i.e. the values that are both in `self` and
|
||
/// `other`.
|
||
///
|
||
/// # Examples
|
||
///
|
||
/// ```
|
||
/// use heapless::FnvIndexSet;
|
||
///
|
||
/// let mut a: FnvIndexSet<_, 16> = [1, 2, 3].iter().cloned().collect();
|
||
/// let mut b: FnvIndexSet<_, 16> = [4, 2, 3, 4].iter().cloned().collect();
|
||
///
|
||
/// // Print 2, 3 in that order.
|
||
/// for x in a.intersection(&b) {
|
||
/// println!("{}", x);
|
||
/// }
|
||
///
|
||
/// let intersection: FnvIndexSet<_, 16> = a.intersection(&b).collect();
|
||
/// assert_eq!(intersection, [2, 3].iter().collect::<FnvIndexSet<_, 16>>());
|
||
/// ```
|
||
</span><span class="kw">pub fn </span>intersection<<span class="lifetime">'a</span>, S2, <span class="kw">const </span>N2: usize>(
|
||
<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>,
|
||
other: <span class="kw-2">&</span><span class="lifetime">'a </span>IndexSet<T, S2, N2>,
|
||
) -> Intersection<<span class="lifetime">'a</span>, T, S2, N2>
|
||
<span class="kw">where
|
||
</span>S2: BuildHasher,
|
||
{
|
||
Intersection {
|
||
iter: <span class="self">self</span>.iter(),
|
||
other,
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// Visits the values representing the union, i.e. all the values in `self` or `other`, without
|
||
/// duplicates.
|
||
///
|
||
/// # Examples
|
||
///
|
||
/// ```
|
||
/// use heapless::FnvIndexSet;
|
||
///
|
||
/// let mut a: FnvIndexSet<_, 16> = [1, 2, 3].iter().cloned().collect();
|
||
/// let mut b: FnvIndexSet<_, 16> = [4, 2, 3, 4].iter().cloned().collect();
|
||
///
|
||
/// // Print 1, 2, 3, 4 in that order.
|
||
/// for x in a.union(&b) {
|
||
/// println!("{}", x);
|
||
/// }
|
||
///
|
||
/// let union: FnvIndexSet<_, 16> = a.union(&b).collect();
|
||
/// assert_eq!(union, [1, 2, 3, 4].iter().collect::<FnvIndexSet<_, 16>>());
|
||
/// ```
|
||
</span><span class="kw">pub fn </span>union<<span class="lifetime">'a</span>, S2, <span class="kw">const </span>N2: usize>(
|
||
<span class="kw-2">&</span><span class="lifetime">'a </span><span class="self">self</span>,
|
||
other: <span class="kw-2">&</span><span class="lifetime">'a </span>IndexSet<T, S2, N2>,
|
||
) -> <span class="kw">impl </span>Iterator<Item = <span class="kw-2">&</span><span class="lifetime">'a </span>T>
|
||
<span class="kw">where
|
||
</span>S2: BuildHasher,
|
||
{
|
||
<span class="self">self</span>.iter().chain(other.difference(<span class="self">self</span>))
|
||
}
|
||
|
||
<span class="doccomment">/// Returns the number of elements in the set.
|
||
///
|
||
/// # Examples
|
||
///
|
||
/// ```
|
||
/// use heapless::FnvIndexSet;
|
||
///
|
||
/// let mut v: FnvIndexSet<_, 16> = FnvIndexSet::new();
|
||
/// assert_eq!(v.len(), 0);
|
||
/// v.insert(1).unwrap();
|
||
/// assert_eq!(v.len(), 1);
|
||
/// ```
|
||
</span><span class="kw">pub fn </span>len(<span class="kw-2">&</span><span class="self">self</span>) -> usize {
|
||
<span class="self">self</span>.map.len()
|
||
}
|
||
|
||
<span class="doccomment">/// Returns `true` if the set contains no elements.
|
||
///
|
||
/// # Examples
|
||
///
|
||
/// ```
|
||
/// use heapless::FnvIndexSet;
|
||
///
|
||
/// let mut v: FnvIndexSet<_, 16> = FnvIndexSet::new();
|
||
/// assert!(v.is_empty());
|
||
/// v.insert(1).unwrap();
|
||
/// assert!(!v.is_empty());
|
||
/// ```
|
||
</span><span class="kw">pub fn </span>is_empty(<span class="kw-2">&</span><span class="self">self</span>) -> bool {
|
||
<span class="self">self</span>.map.is_empty()
|
||
}
|
||
|
||
<span class="doccomment">/// Clears the set, removing all values.
|
||
///
|
||
/// # Examples
|
||
///
|
||
/// ```
|
||
/// use heapless::FnvIndexSet;
|
||
///
|
||
/// let mut v: FnvIndexSet<_, 16> = FnvIndexSet::new();
|
||
/// v.insert(1).unwrap();
|
||
/// v.clear();
|
||
/// assert!(v.is_empty());
|
||
/// ```
|
||
</span><span class="kw">pub fn </span>clear(<span class="kw-2">&mut </span><span class="self">self</span>) {
|
||
<span class="self">self</span>.map.clear()
|
||
}
|
||
|
||
<span class="doccomment">/// Returns `true` if the set contains a value.
|
||
///
|
||
/// The value may be any borrowed form of the set's value type, but `Hash` and `Eq` on the
|
||
/// borrowed form must match those for the value type.
|
||
///
|
||
/// # Examples
|
||
///
|
||
/// ```
|
||
/// use heapless::FnvIndexSet;
|
||
///
|
||
/// let set: FnvIndexSet<_, 16> = [1, 2, 3].iter().cloned().collect();
|
||
/// assert_eq!(set.contains(&1), true);
|
||
/// assert_eq!(set.contains(&4), false);
|
||
/// ```
|
||
</span><span class="kw">pub fn </span>contains<Q>(<span class="kw-2">&</span><span class="self">self</span>, value: <span class="kw-2">&</span>Q) -> bool
|
||
<span class="kw">where
|
||
</span>T: Borrow<Q>,
|
||
Q: <span class="question-mark">?</span>Sized + Eq + Hash,
|
||
{
|
||
<span class="self">self</span>.map.contains_key(value)
|
||
}
|
||
|
||
<span class="doccomment">/// Returns `true` if `self` has no elements in common with `other`. This is equivalent to
|
||
/// checking for an empty intersection.
|
||
///
|
||
/// # Examples
|
||
///
|
||
/// ```
|
||
/// use heapless::FnvIndexSet;
|
||
///
|
||
/// let a: FnvIndexSet<_, 16> = [1, 2, 3].iter().cloned().collect();
|
||
/// let mut b = FnvIndexSet::<_, 16>::new();
|
||
///
|
||
/// assert_eq!(a.is_disjoint(&b), true);
|
||
/// b.insert(4).unwrap();
|
||
/// assert_eq!(a.is_disjoint(&b), true);
|
||
/// b.insert(1).unwrap();
|
||
/// assert_eq!(a.is_disjoint(&b), false);
|
||
/// ```
|
||
</span><span class="kw">pub fn </span>is_disjoint<S2, <span class="kw">const </span>N2: usize>(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>IndexSet<T, S2, N2>) -> bool
|
||
<span class="kw">where
|
||
</span>S2: BuildHasher,
|
||
{
|
||
<span class="self">self</span>.iter().all(|v| !other.contains(v))
|
||
}
|
||
|
||
<span class="doccomment">/// Returns `true` if the set is a subset of another, i.e. `other` contains at least all the
|
||
/// values in `self`.
|
||
///
|
||
/// # Examples
|
||
///
|
||
/// ```
|
||
/// use heapless::FnvIndexSet;
|
||
///
|
||
/// let sup: FnvIndexSet<_, 16> = [1, 2, 3].iter().cloned().collect();
|
||
/// let mut set = FnvIndexSet::<_, 16>::new();
|
||
///
|
||
/// assert_eq!(set.is_subset(&sup), true);
|
||
/// set.insert(2).unwrap();
|
||
/// assert_eq!(set.is_subset(&sup), true);
|
||
/// set.insert(4).unwrap();
|
||
/// assert_eq!(set.is_subset(&sup), false);
|
||
/// ```
|
||
</span><span class="kw">pub fn </span>is_subset<S2, <span class="kw">const </span>N2: usize>(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>IndexSet<T, S2, N2>) -> bool
|
||
<span class="kw">where
|
||
</span>S2: BuildHasher,
|
||
{
|
||
<span class="self">self</span>.iter().all(|v| other.contains(v))
|
||
}
|
||
|
||
<span class="comment">// Returns `true` if the set is a superset of another, i.e. `self` contains at least all the
|
||
// values in `other`.
|
||
</span><span class="doccomment">///
|
||
/// # Examples
|
||
///
|
||
/// ```
|
||
/// use heapless::FnvIndexSet;
|
||
///
|
||
/// let sub: FnvIndexSet<_, 16> = [1, 2].iter().cloned().collect();
|
||
/// let mut set = FnvIndexSet::<_, 16>::new();
|
||
///
|
||
/// assert_eq!(set.is_superset(&sub), false);
|
||
///
|
||
/// set.insert(0).unwrap();
|
||
/// set.insert(1).unwrap();
|
||
/// assert_eq!(set.is_superset(&sub), false);
|
||
///
|
||
/// set.insert(2).unwrap();
|
||
/// assert_eq!(set.is_superset(&sub), true);
|
||
/// ```
|
||
</span><span class="kw">pub fn </span>is_superset<S2, <span class="kw">const </span>N2: usize>(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>IndexSet<T, S2, N2>) -> bool
|
||
<span class="kw">where
|
||
</span>S2: BuildHasher,
|
||
{
|
||
other.is_subset(<span class="self">self</span>)
|
||
}
|
||
|
||
<span class="doccomment">/// Adds a value to the set.
|
||
///
|
||
/// If the set did not have this value present, `true` is returned.
|
||
///
|
||
/// If the set did have this value present, `false` is returned.
|
||
///
|
||
/// # Examples
|
||
///
|
||
/// ```
|
||
/// use heapless::FnvIndexSet;
|
||
///
|
||
/// let mut set = FnvIndexSet::<_, 16>::new();
|
||
///
|
||
/// assert_eq!(set.insert(2).unwrap(), true);
|
||
/// assert_eq!(set.insert(2).unwrap(), false);
|
||
/// assert_eq!(set.len(), 1);
|
||
/// ```
|
||
</span><span class="kw">pub fn </span>insert(<span class="kw-2">&mut </span><span class="self">self</span>, value: T) -> <span class="prelude-ty">Result</span><bool, T> {
|
||
<span class="self">self</span>.map
|
||
.insert(value, ())
|
||
.map(|old| old.is_none())
|
||
.map_err(|(k, <span class="kw">_</span>)| k)
|
||
}
|
||
|
||
<span class="doccomment">/// Removes a value from the set. Returns `true` if the value was present in the set.
|
||
///
|
||
/// The value may be any borrowed form of the set's value type, but `Hash` and `Eq` on the
|
||
/// borrowed form must match those for the value type.
|
||
///
|
||
/// # Examples
|
||
///
|
||
/// ```
|
||
/// use heapless::FnvIndexSet;
|
||
///
|
||
/// let mut set = FnvIndexSet::<_, 16>::new();
|
||
///
|
||
/// set.insert(2).unwrap();
|
||
/// assert_eq!(set.remove(&2), true);
|
||
/// assert_eq!(set.remove(&2), false);
|
||
/// ```
|
||
</span><span class="kw">pub fn </span>remove<Q>(<span class="kw-2">&mut </span><span class="self">self</span>, value: <span class="kw-2">&</span>Q) -> bool
|
||
<span class="kw">where
|
||
</span>T: Borrow<Q>,
|
||
Q: <span class="question-mark">?</span>Sized + Eq + Hash,
|
||
{
|
||
<span class="self">self</span>.map.remove(value).is_some()
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><T, S, <span class="kw">const </span>N: usize> Clone <span class="kw">for </span>IndexSet<T, S, N>
|
||
<span class="kw">where
|
||
</span>T: Eq + Hash + Clone,
|
||
S: Clone,
|
||
{
|
||
<span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="self">Self </span>{
|
||
<span class="self">Self </span>{
|
||
map: <span class="self">self</span>.map.clone(),
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><T, S, <span class="kw">const </span>N: usize> fmt::Debug <span class="kw">for </span>IndexSet<T, S, N>
|
||
<span class="kw">where
|
||
</span>T: Eq + Hash + fmt::Debug,
|
||
S: BuildHasher,
|
||
{
|
||
<span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result {
|
||
f.debug_set().entries(<span class="self">self</span>.iter()).finish()
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><T, S, <span class="kw">const </span>N: usize> Default <span class="kw">for </span>IndexSet<T, S, N>
|
||
<span class="kw">where
|
||
</span>T: Eq + Hash,
|
||
S: BuildHasher + Default,
|
||
{
|
||
<span class="kw">fn </span>default() -> <span class="self">Self </span>{
|
||
IndexSet {
|
||
map: <<span class="kw">_</span>>::default(),
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><T, S1, S2, <span class="kw">const </span>N1: usize, <span class="kw">const </span>N2: usize> PartialEq<IndexSet<T, S2, N2>>
|
||
<span class="kw">for </span>IndexSet<T, S1, N1>
|
||
<span class="kw">where
|
||
</span>T: Eq + Hash,
|
||
S1: BuildHasher,
|
||
S2: BuildHasher,
|
||
{
|
||
<span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>IndexSet<T, S2, N2>) -> bool {
|
||
<span class="self">self</span>.len() == other.len() && <span class="self">self</span>.is_subset(other)
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><T, S, <span class="kw">const </span>N: usize> Extend<T> <span class="kw">for </span>IndexSet<T, S, N>
|
||
<span class="kw">where
|
||
</span>T: Eq + Hash,
|
||
S: BuildHasher,
|
||
{
|
||
<span class="kw">fn </span>extend<I>(<span class="kw-2">&mut </span><span class="self">self</span>, iterable: I)
|
||
<span class="kw">where
|
||
</span>I: IntoIterator<Item = T>,
|
||
{
|
||
<span class="self">self</span>.map.extend(iterable.into_iter().map(|k| (k, ())))
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><<span class="lifetime">'a</span>, T, S, <span class="kw">const </span>N: usize> Extend<<span class="kw-2">&</span><span class="lifetime">'a </span>T> <span class="kw">for </span>IndexSet<T, S, N>
|
||
<span class="kw">where
|
||
</span>T: <span class="lifetime">'a </span>+ Eq + Hash + Copy,
|
||
S: BuildHasher,
|
||
{
|
||
<span class="kw">fn </span>extend<I>(<span class="kw-2">&mut </span><span class="self">self</span>, iterable: I)
|
||
<span class="kw">where
|
||
</span>I: IntoIterator<Item = <span class="kw-2">&</span><span class="lifetime">'a </span>T>,
|
||
{
|
||
<span class="self">self</span>.extend(iterable.into_iter().cloned())
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><T, S, <span class="kw">const </span>N: usize> FromIterator<T> <span class="kw">for </span>IndexSet<T, S, N>
|
||
<span class="kw">where
|
||
</span>T: Eq + Hash,
|
||
S: BuildHasher + Default,
|
||
{
|
||
<span class="kw">fn </span>from_iter<I>(iter: I) -> <span class="self">Self
|
||
</span><span class="kw">where
|
||
</span>I: IntoIterator<Item = T>,
|
||
{
|
||
<span class="kw">let </span><span class="kw-2">mut </span>set = IndexSet::default();
|
||
set.extend(iter);
|
||
set
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><<span class="lifetime">'a</span>, T, S, <span class="kw">const </span>N: usize> IntoIterator <span class="kw">for </span><span class="kw-2">&</span><span class="lifetime">'a </span>IndexSet<T, S, N>
|
||
<span class="kw">where
|
||
</span>T: Eq + Hash,
|
||
S: BuildHasher,
|
||
{
|
||
<span class="kw">type </span>Item = <span class="kw-2">&</span><span class="lifetime">'a </span>T;
|
||
<span class="kw">type </span>IntoIter = Iter<<span class="lifetime">'a</span>, T>;
|
||
|
||
<span class="kw">fn </span>into_iter(<span class="self">self</span>) -> <span class="self">Self</span>::IntoIter {
|
||
<span class="self">self</span>.iter()
|
||
}
|
||
}
|
||
|
||
<span class="kw">pub struct </span>Iter<<span class="lifetime">'a</span>, T> {
|
||
iter: indexmap::Iter<<span class="lifetime">'a</span>, T, ()>,
|
||
}
|
||
|
||
<span class="kw">impl</span><<span class="lifetime">'a</span>, T> Iterator <span class="kw">for </span>Iter<<span class="lifetime">'a</span>, T> {
|
||
<span class="kw">type </span>Item = <span class="kw-2">&</span><span class="lifetime">'a </span>T;
|
||
|
||
<span class="kw">fn </span>next(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Item> {
|
||
<span class="self">self</span>.iter.next().map(|(k, <span class="kw">_</span>)| k)
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><<span class="lifetime">'a</span>, T> Clone <span class="kw">for </span>Iter<<span class="lifetime">'a</span>, T> {
|
||
<span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="self">Self </span>{
|
||
<span class="self">Self </span>{
|
||
iter: <span class="self">self</span>.iter.clone(),
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">pub struct </span>Difference<<span class="lifetime">'a</span>, T, S, <span class="kw">const </span>N: usize>
|
||
<span class="kw">where
|
||
</span>S: BuildHasher,
|
||
T: Eq + Hash,
|
||
{
|
||
iter: Iter<<span class="lifetime">'a</span>, T>,
|
||
other: <span class="kw-2">&</span><span class="lifetime">'a </span>IndexSet<T, S, N>,
|
||
}
|
||
|
||
<span class="kw">impl</span><<span class="lifetime">'a</span>, T, S, <span class="kw">const </span>N: usize> Iterator <span class="kw">for </span>Difference<<span class="lifetime">'a</span>, T, S, N>
|
||
<span class="kw">where
|
||
</span>S: BuildHasher,
|
||
T: Eq + Hash,
|
||
{
|
||
<span class="kw">type </span>Item = <span class="kw-2">&</span><span class="lifetime">'a </span>T;
|
||
|
||
<span class="kw">fn </span>next(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Item> {
|
||
<span class="kw">loop </span>{
|
||
<span class="kw">let </span>elt = <span class="self">self</span>.iter.next()<span class="question-mark">?</span>;
|
||
<span class="kw">if </span>!<span class="self">self</span>.other.contains(elt) {
|
||
<span class="kw">return </span><span class="prelude-val">Some</span>(elt);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">pub struct </span>Intersection<<span class="lifetime">'a</span>, T, S, <span class="kw">const </span>N: usize>
|
||
<span class="kw">where
|
||
</span>S: BuildHasher,
|
||
T: Eq + Hash,
|
||
{
|
||
iter: Iter<<span class="lifetime">'a</span>, T>,
|
||
other: <span class="kw-2">&</span><span class="lifetime">'a </span>IndexSet<T, S, N>,
|
||
}
|
||
|
||
<span class="kw">impl</span><<span class="lifetime">'a</span>, T, S, <span class="kw">const </span>N: usize> Iterator <span class="kw">for </span>Intersection<<span class="lifetime">'a</span>, T, S, N>
|
||
<span class="kw">where
|
||
</span>S: BuildHasher,
|
||
T: Eq + Hash,
|
||
{
|
||
<span class="kw">type </span>Item = <span class="kw-2">&</span><span class="lifetime">'a </span>T;
|
||
|
||
<span class="kw">fn </span>next(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Item> {
|
||
<span class="kw">loop </span>{
|
||
<span class="kw">let </span>elt = <span class="self">self</span>.iter.next()<span class="question-mark">?</span>;
|
||
<span class="kw">if </span><span class="self">self</span>.other.contains(elt) {
|
||
<span class="kw">return </span><span class="prelude-val">Some</span>(elt);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
</code></pre></div></section></main></body></html> |