Clean up trivial if let

bugadani · bugadani · commit e4200512ff97 · 2020-09-27T11:54:50.000+02:00
diff --git a/compiler/rustc_span/src/hygiene.rs b/compiler/rustc_span/src/hygiene.rs
@@ -759,7 +759,7 @@ impl ExpnData {
 
     #[inline]
     pub fn is_root(&self) -> bool {
-        if let ExpnKind::Root = self.kind { true } else { false }
+        matches!(self.kind, ExpnKind::Root)
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -759,7 +759,7 @@ impl ExpnData {`
`759`	`759`
`760`	`760`	`#[inline]`
`761`	`761`	`pub fn is_root(&self) -> bool {`
`762`		`- if let ExpnKind::Root = self.kind { true } else { false }`
	`762`	`+ matches!(self.kind, ExpnKind::Root)`
`763`	`763`	`}`
`764`	`764`	`}`
`765`	`765`