mime: delete unnecessary constant conversions.

R=rsc
CC=golang-dev
https://golang.org/cl/1984043

diff --git a/src/pkg/mime/grammar.go b/src/pkg/mime/grammar.go
index 98fbe33c6df55658f4d86448652f3147c4cf69d2..e60cbb8df74b84ad36e448d4ee8a0d36193755f3 100644 (file)
--- a/src/pkg/mime/grammar.go
+++ b/src/pkg/mime/grammar.go
@@ -29,7 +29,7 @@ func IsQText(rune int) bool {
        //                "\" & CR, and including
        //                linear-white-space>
        switch rune {
-       case int('"'), int('\\'), int('\r'):
+       case '"', '\\', '\r':
                return false
        }
        return rune < 0x80