Inline Printer's scan_top method

dtolnay · dtolnay · commit 2a14275500b5 · 2022-01-18T19:16:32.000-08:00
diff --git a/compiler/rustc_ast_pretty/src/pp.rs b/compiler/rustc_ast_pretty/src/pp.rs
@@ -347,10 +347,6 @@ impl Printer {
         }
     }
 
-    fn scan_top(&self) -> usize {
-        *self.scan_stack.front().unwrap()
-    }
-
     fn scan_pop_bottom(&mut self) -> usize {
         self.scan_stack.pop_back().unwrap()
     }
@@ -388,7 +384,7 @@ impl Printer {
 
     fn check_stack(&mut self, k: usize) {
         if !self.scan_stack.is_empty() {
-            let x = self.scan_top();
+            let x = *self.scan_stack.front().unwrap();
             match self.buf[x].token {
                 Token::Begin(_) => {
                     if k > 0 {

Original file line number	Diff line number	Diff line change
`@@ -347,10 +347,6 @@ impl Printer {`
`347`	`347`	`}`
`348`	`348`	`}`
`349`	`349`
`350`		`- fn scan_top(&self) -> usize {`
`351`		`- *self.scan_stack.front().unwrap()`
`352`		`- }`
`353`		`-`
`354`	`350`	`fn scan_pop_bottom(&mut self) -> usize {`
`355`	`351`	`self.scan_stack.pop_back().unwrap()`
`356`	`352`	`}`
`@@ -388,7 +384,7 @@ impl Printer {`
`388`	`384`
`389`	`385`	`fn check_stack(&mut self, k: usize) {`
`390`	`386`	`if !self.scan_stack.is_empty() {`
`391`		`- let x = self.scan_top();`
	`387`	`+ let x = *self.scan_stack.front().unwrap();`
`392`	`388`	`match self.buf[x].token {`
`393`	`389`	`Token::Begin(_) => {`
`394`	`390`	`if k > 0 {`