Avoid intermediate collect()

camelid · camelid · commit eec21d21763a · 2021-09-30T13:52:58.000-07:00
diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs
@@ -1955,7 +1955,7 @@ impl Path {
     }
 
     crate fn whole_name(&self) -> String {
-        self.segments.iter().map(|s| s.name.to_string()).collect::<Vec<_>>().join("::")
+        self.segments.iter().map(|s| s.name.to_string()).intersperse("::".into()).collect()
     }
 
     /// Checks if this is a `T::Name` path for an associated type.

Original file line number	Diff line number	Diff line change
`@@ -1955,7 +1955,7 @@ impl Path {`
`1955`	`1955`	`}`
`1956`	`1956`
`1957`	`1957`	`crate fn whole_name(&self) -> String {`
`1958`		`- self.segments.iter().map(\|s\| s.name.to_string()).collect::<Vec<_>>().join("::")`
	`1958`	`+ self.segments.iter().map(\|s\| s.name.to_string()).intersperse("::".into()).collect()`
`1959`	`1959`	`}`
`1960`	`1960`
`1961`	`1961`	/// Checks if this is a `T::Name` path for an associated type.