and refactor to just move the checking

1 files changed, 2 insertions, 8 deletions

diff --git a/src/libsyntax/parse/token.rs b/src/libsyntax/parse/token.rs
index ff87f146c0a..94b279d2bdc 100644
--- a/src/libsyntax/parse/token.rs
+++ b/src/libsyntax/parse/token.rs
@@ -364,18 +364,12 @@ impl Token {
 
     /// Returns `true` if the token is a keyword used in the language.
     pub fn is_used_keyword(&self) -> bool {
-        match self.ident() {
-            Some(id) => id.name >= keywords::As.name() && id.name <= keywords::While.name(),
-            _ => false,
-        }
+        self.ident().map(|id| id.name.is_used_keyword()).unwrap_or(false)
     }
 
     /// Returns `true` if the token is a keyword reserved for possible future use.
     pub fn is_unused_keyword(&self) -> bool {
-        match self.ident() {
-            Some(id) => id.name >= keywords::Abstract.name() && id.name <= keywords::Yield.name(),
-            _ => false,
-        }
+        self.ident().map(|id| id.name.is_unused_keyword()).unwrap_or(false)
     }
 
     pub fn glue(self, joint: Token) -> Option<Token> {