rust - https://github.com/rust-lang/rust

Age	Commit message (Expand)	Author	Lines
2016-07-31	Don't gate methods `Fn(Mut,Once)::call(mut,once)` with feature `unboxed_closu...	Vadim Petrochenkov	-4/+4
2015-01-10	Feature-gate `<>` syntax used with `Fn`. Fixes #18875.	Niko Matsakis	-1/+1
2014-12-05	Feature-gate explicit unboxed closure method calls & manual impls,	Huon Wilson	-0/+19