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Add example for Lifetime Elision with two inputs

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Lifetime elision with two input references is not clear.
Closes #21284
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Tyler Thrailkill 2015-01-25 01:24:41 -07:00
parent 70b13a7c7c
commit a0ed0f30ba
1 changed files with 1 additions and 0 deletions
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src/doc/trpl/ownership.md
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@ -533,6 +533,7 @@ fn substr<'a>(s: &'a str, until: u32) -> &'a str; // expanded
fn get_str() -> &str; // ILLEGAL, no inputs
fn frob(s: &str, t: &str) -> &str; // ILLEGAL, two inputs
fn frob<'a, 'b>(s: &'a str, t: &'b str) -> &str; // Expanded: Output lifetime is unclear
fn get_mut(&mut self) -> &mut T; // elided
fn get_mut<'a>(&'a mut self) -> &'a mut T; // expanded