45 lines
8.0 KiB
Plaintext
45 lines
8.0 KiB
Plaintext
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rust
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i #rustc 1.93.1 (01f6ddf75 2026-02-11)<29><02>ZF<5A>P<EFBFBD><50>v<EFBFBD><76><EFBFBD>]<5D>d9uu -4d8b4da6b4ab36bd<62> <02><05><11><><EFBFBD>GȬx<C8AC>92X<32>l -5bed970bceb2abc5<63> <02>.g<>:<3A><>Ld<4C><64>q<EFBFBD>T<EFBFBD>d -f090014afa110f38<33> <02>L<><4C><EFBFBD><EFBFBD><EFBFBD>l<EFBFBD>E,<07>R<EFBFBD><52> -3d16dd14375d91ab<61><02><11>b' ;<3B><>ݕ<EFBFBD><DD95>+<2B><>74 -cda84f9d48ee8a39<33> rustc_std_workspace_core<72><65><EFBFBD><EFBFBD><EFBFBD>7]<5D><><EFBFBD> <1F>}^ -d51aa419dcaa4806<30> hashbrown<77>\<5C><01><><EFBFBD>Y8
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> <00><>c ` Returns the result from applying the function to the contained value if the option is [`Some`],<2C> <00><>A > or returns provided default result if the option is [`None`].<2E> <1C> <02> <00><>O L The `f` argument of `map_or2` is only evaluated if the option is [`Some`].<2E> <00><>] Z The default argument of `map_or2` is always evaluated – even if the option is [`Some`].<2E> <00><>' $ Use [`map_or_else2`] to avoid this.<2E> <1C> <02> <00><>- * [`map_or_else2`]: OptionExt::map_or_else2<65> <1C> <02> t<> <01> <1C> <02> <<3C> <01> <00><> <01> <1C> <02> Ġ let x = Some("bar");<3B> <00><> . + assert_eq!(x.map_or2(|v| v.len(), 42), 3);<3B> <1C> <02> <00><> let x: Option<&str> = None;<3B> <00><>
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W T The default argument of `map_or_else2` is only evaluated if the option is [`None`].<2E> <00><>< 9 Use [`map_or2`] to always evaluate the default argument.<2E> <1C> <02> <00><># [`map_or2`]: OptionExt::map_or2<72> <1C> <02> t<> <01> <1C> <02> <<3C> <01> <00><> <01> <1C> <02> |<7C> let k = 23;<3B> <1C> <02> ģ <01> <00><>9 6 assert_eq!(x.map_or_else2(|v| v.len(), || 2 * k), 3);<3B> <1C> <02> <00><> <01> <00><>: 7 assert_eq!(x.map_or_else2(|v| v.len(), || 2 * k), 46);<3B> <<3C> <01> ,\<5C> d<> <04><10> <01><06> <01> <01> <01> <00> <0C> <00> <0C> <02><><01># <0C> <00> t<> <00> <0C> <02> <01>#<01> l<> <01>#<01><02> <00> <0C>
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]<5D><>1<EFBFBD> <1F>`<60><><EFBFBD> cC:\Users\dxzq\.cargo\registry\src\mirrors.ustc.edu.cn-38d0e5eb5da2abae\option-ext-0.2.0\src\impl.rs<72> / o!<21><>{<1A><12>q<EFBFBD>r <0C><><EFBFBD><EFBFBD><EFBFBD><1A>GN@<40><>?<3F> <00><03>%A#
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rust-end-file
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