implement fuzzy matching in on_unimplemented #33694
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| @@ -523,8 +523,7 @@ impl<T> SliceExt for [T] { | |||
| } | |||
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| #[stable(feature = "rust1", since = "1.0.0")] | |||
| #[allow(unused_attributes)] | |||
| #[rustc_on_unimplemented = "a usize is required to index into a slice"] | |||
| #[rustc_on_unimplemented = "slice indexes must be usizes"] | |||
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Just to make sure the message is as clear as possible to the users that will be helped, maybe we can change to “slice index type must be usize”? I just think the “usizes” formulation will be confusing.
| def_a == def_b, | ||
| _ => cat_a == cat_b | ||
| }, | ||
| // infer and error are |
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Nit: incomplete sentence... "infer and error are fuzzy equal to all types", I guess?
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Nit: incomplete sentence... "infer and error are fuzzy equal to all types", I guess?
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Looks great! r=me after nits and once we settle on a good wording for the error message :) |
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| @@ -523,8 +523,7 @@ impl<T> SliceExt for [T] { | |||
| } | |||
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| #[stable(feature = "rust1", since = "1.0.0")] | |||
| #[allow(unused_attributes)] | |||
| #[rustc_on_unimplemented = "a usize is required to index into a slice"] | |||
| #[rustc_on_unimplemented = "slice indices are of type usize"] | |||
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@bors r=nikomatsakis |
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📌 Commit b344c71 has been approved by |
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r=me modulo nit |
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@bors r=nikomatsakis |
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📌 Commit b9a201c has been approved by |
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May 19, 2016
implement fuzzy matching in on_unimplemented Fixes #31062 r? @nikomatsakis
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Fixes #31062
r? @nikomatsakis