match

bongjunj · bongjunj · commit 829a98aa5ac8 · 2022-11-19T12:46:47.000+09:00
diff --git a/compiler/parser/src/lexer.rs b/compiler/parser/src/lexer.rs
@@ -352,7 +352,7 @@ where
             }
 
             // 1e6 for example:
-            if matches!(self.window[0], Some('e' | 'E')) {
+            if let Some('e' | 'E') = self.window[0] {
                 if self.window[1] == Some('_') {
                     return Err(LexicalError {
                         error: LexicalErrorType::OtherError("Invalid Syntax".to_owned()),
@@ -1256,10 +1256,7 @@ where
             ' ' | '\t' | '\x0C' => {
                 // Skip whitespaces
                 self.next_char();
-                while self.window[0] == Some(' ')
-                    || self.window[0] == Some('\t')
-                    || self.window[0] == Some('\x0C')
-                {
+                while let Some(' ' | '\t' | '\x0C') = self.window[0] {
                     self.next_char();
                 }
             }

Original file line number	Diff line number	Diff line change
`@@ -352,7 +352,7 @@ where`
`352`	`352`	`}`
`353`	`353`
`354`	`354`	`// 1e6 for example:`
`355`		`- if matches!(self.window[0], Some('e' \| 'E')) {`
	`355`	`+ if let Some('e' \| 'E') = self.window[0] {`
`356`	`356`	`if self.window[1] == Some('_') {`
`357`	`357`	`return Err(LexicalError {`
`358`	`358`	`error: LexicalErrorType::OtherError("Invalid Syntax".to_owned()),`
`@@ -1256,10 +1256,7 @@ where`
`1256`	`1256`	`' ' \| '\t' \| '\x0C' => {`
`1257`	`1257`	`// Skip whitespaces`
`1258`	`1258`	`self.next_char();`
`1259`		`- while self.window[0] == Some(' ')`
`1260`		`- \|\| self.window[0] == Some('\t')`
`1261`		`- \|\| self.window[0] == Some('\x0C')`
`1262`		`- {`
	`1259`	`+ while let Some(' ' \| '\t' \| '\x0C') = self.window[0] {`
`1263`	`1260`	`self.next_char();`
`1264`	`1261`	`}`
`1265`	`1262`	`}`