renamed tag to constraint

Author: xander

stringer.go

@@ -59,11 +59,11 @@ var (
 )
 
 var comments arrayFlags
-var buildTags arrayFlags
+var buildConstraints arrayFlags
 
 func init() {
 	flag.Var(&comments, "comment", "comments to include in generated code, can repeat. Default: \"\"")
-	flag.Var(&buildTags, "buildtag", "build tag to include in the generated code, can repeat. Default: <none>")
+	flag.Var(&buildConstraints, "buildconstraint", "build constraint to include in the generated code, can repeat. Default: <none>")
 }
 
 // Usage is a replacement usage function for the flags package.
@@ -114,9 +114,9 @@ func main() {
 
 	// Print the header and package clause.
 	g.Printf("// Code generated by \"enumer %s\"; DO NOT EDIT.\n", strings.Join(os.Args[1:], " "))
-	if len(buildTags) > 0 {
-		for _, tag := range buildTags {
-			g.Printf("//go:build %s\n\n", tag)
+	if len(buildConstraints) > 0 {
+		for _, c := range buildConstraints {
+			g.Printf("//go:build %s\n\n", c)
 		}
 	}