internal/lib/reflect: call.method

internal/abi/type.go

@@ -388,11 +388,16 @@ func (t *Type) IfaceIndir() bool {
 	return t.Kind_&KindDirectIface == 0
 }
 
-// isDirectIface reports whether t is stored directly in an interface value.
+// IsDirectIface reports whether t is stored directly in an interface value.
 func (t *Type) IsDirectIface() bool {
 	return t.Kind_&KindDirectIface != 0
 }
 
+// IsClosure reports whether t is closure struct
+func (t *Type) IsClosure() bool {
+	return t.TFlag&TFlagClosure != 0
+}
+
 // Size returns the size of data with type t.
 func (t *Type) Size() uintptr { return t.Size_ }