1 files changed, 7 insertions, 7 deletions

diff --git a/decl.go b/decl.go
index 179acb2..67d641f 100644
--- a/decl.go
+++ b/decl.go
@@ -8,7 +8,7 @@ var funcs = map[string]struct{}{}
 var localConsts = map[string]map[string]string{}
 var localMuts = map[string]map[string]struct{}{}
 
-func isDeclared(name string, toplevel bool) bool {
+func isDeclared(name string, toplevel bool) (ok bool, mutable bool) {
 	if toplevel {
 		return isDeclaredToplevel(name)
 	}
@@ -16,13 +16,13 @@ func isDeclared(name string, toplevel bool) bool {
 	return isDeclaredLocal(currentFunc, name)
 }
 
-func isDeclaredToplevel(name string) bool {
-	_, ok := funcs[name]
-	return ok
+func isDeclaredToplevel(name string) (ok bool, mutable bool) {
+	_, ok = funcs[name]
+	return
 }
 
-func isDeclaredLocal(function string, local string) bool {
+func isDeclaredLocal(function string, local string) (ok bool, mutable bool) {
 	_, constant := localConsts[function][local]
-	_, mutable := localMuts[function][local]
-	return constant || mutable
+	_, mutable = localMuts[function][local]
+	return constant || mutable, mutable
 }