From 5cd0504d10230ec82ad1a6447db590a77b0eadb7 Mon Sep 17 00:00:00 2001 From: varkor Date: Fri, 30 Mar 2018 10:44:12 +0100 Subject: [PATCH] Convert sort_unstable_by to sort_by_cached_key --- src/librustdoc/clean/auto_trait.rs | 4 +--- src/librustdoc/lib.rs | 1 + 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/src/librustdoc/clean/auto_trait.rs b/src/librustdoc/clean/auto_trait.rs index a87e1df5efc2..322527839e02 100644 --- a/src/librustdoc/clean/auto_trait.rs +++ b/src/librustdoc/clean/auto_trait.rs @@ -1435,9 +1435,7 @@ impl<'a, 'tcx, 'rcx> AutoTraitFinder<'a, 'tcx, 'rcx> { // involved (impls rarely have more than a few bounds) means that it // shouldn't matter in practice. fn unstable_debug_sort(&self, vec: &mut Vec) { - vec.sort_unstable_by(|first, second| { - format!("{:?}", first).cmp(&format!("{:?}", second)) - }); + vec.sort_by_cached_key(|x| format!("{:?}", x)) } fn is_fn_ty(&self, tcx: &TyCtxt, ty: &Type) -> bool { diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index 42e87f88fd40..e34cf6222cf8 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -20,6 +20,7 @@ #![feature(box_syntax)] #![feature(fs_read_write)] #![feature(set_stdio)] +#![feature(slice_sort_by_cached_key)] #![feature(test)] #![feature(unicode)] #![feature(vec_remove_item)]