Remove needless alloc

This commit is contained in:
Aleksey Kladov 2020-11-17 11:51:45 +01:00
parent e4927d52e2
commit 0dc1742187

View file

@ -37,7 +37,7 @@ impl Sysroot {
pub fn public_deps(&self) -> impl Iterator<Item = (&'static str, SysrootCrate)> + '_ {
// core is added as a dependency before std in order to
// mimic rustcs dependency order
vec!["core", "alloc", "std"].into_iter().filter_map(move |it| Some((it, self.by_name(it)?)))
["core", "alloc", "std"].iter().filter_map(move |&it| Some((it, self.by_name(it)?)))
}
pub fn proc_macro(&self) -> Option<SysrootCrate> {