Add lifetime elision information to the ownership guide.#19736
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bors merged 1 commit intorust-lang:masterfrom Jan 6, 2015
Merged
Add lifetime elision information to the ownership guide.#19736bors merged 1 commit intorust-lang:masterfrom
bors merged 1 commit intorust-lang:masterfrom
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I think a comment here is warranted similar to this. If you don't recognize this, it is puzzling why int doesn't get a lifetime too.
// `lvl` doesn't need a lifetime because it's not a reference (`&`). Only references need lifetimes.
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It's not only references: struct Foo<'a> { ... } would be fn foo<'a>(x: Foo<'a>).
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src/doc/guide-ownership.md
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Maybe this could be "all references have a lifetime" or something else that emphasises that it is an inherent property of references.
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r? @huonw |
src/doc/guide-ownership.md
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Well, it has one, that is used in both input and output position.
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both meaning and input and output lifetime, even though they are the same one. Is it worth an extra few words?
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Fixes #19662.