Remove needless alloc

matklad · matklad · commit 0dc1742187d3 · 2020-11-17T11:52:28.000+01:00
diff --git a/crates/project_model/src/sysroot.rs b/crates/project_model/src/sysroot.rs
@@ -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> {

Original file line number	Diff line number	Diff line change
`@@ -37,7 +37,7 @@ impl Sysroot {`
`37`	`37`	`pub fn public_deps(&self) -> impl Iterator<Item = (&'static str, SysrootCrate)> + '_ {`
`38`	`38`	`// core is added as a dependency before std in order to`
`39`	`39`	`// mimic rustcs dependency order`
`40`		`- vec!["core", "alloc", "std"].into_iter().filter_map(move \|it\| Some((it, self.by_name(it)?)))`
	`40`	`+ ["core", "alloc", "std"].iter().filter_map(move \|&it\| Some((it, self.by_name(it)?)))`
`41`	`41`	`}`
`42`	`42`
`43`	`43`	`pub fn proc_macro(&self) -> Option<SysrootCrate> {`