Extend escape analysis to arguments #523
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| @@ -31,6 +31,13 @@ pub struct EscapePass; | |||
| /// ``` | |||
| declare_lint!(pub BOXED_LOCAL, Warn, "using Box<T> where unnecessary"); | |||
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| fn is_box(ty: ty::Ty) -> bool { | |||
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Since this is only used in the true case, an if let ty::TyBox(..) { won't actually be too bad.
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I extracted it to a function because 1. it is used in two places (for locals and for arguments) 2. we'd want it to match String and Vec in the future.
llogiq
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Jan 15, 2016
Extend escape analysis to arguments
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Thank you! |
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cc #393.