add assignment statements

1 files changed, 1 insertions, 0 deletions

diff --git a/ir.h b/ir.h
index dd2e496..9351864 100644
--- a/ir.h
+++ b/ir.h
@@ -101,5 +101,6 @@ ScopeFrame *scope_push(Scope *scope, Proc *proc);
 ScopeFrame *scope_pop(Scope *scope, Proc *proc);
 NameBinding *scope_find(Scope *scope, Str name);
 NameBinding *scope_bind(Scope *scope, Str name, Node *value, LexSpan pos, Proc *proc);
+NameBinding *scope_update(Scope *scope, Str name, Node *to, Proc *proc);
 
 #endif