1 files changed, 14 insertions, 0 deletions
diff --git a/ast.c b/ast.c
index c2ea654..7456ee3 100644
--- a/ast.c
+++ b/ast.c
@@ -24,6 +24,9 @@ void ast_free(AST *ast){
 			if(ast->la.body)ast_free(ast->la.body);
 			break;
 
+		case AST_LAMBDAARG:
+			break;
+
 		case AST_WORD:
 			assert(ast->wo.word);
 			free(ast->wo.word);
@@ -64,6 +67,9 @@ AST* ast_copy(const AST *ast){
 		case AST_LAMBDA:
 			return ast_lambda(ast->la.cfunc,ast->la.body?ast_copy(ast->la.body):NULL);
 
+		case AST_LAMBDAARG:
+			return ast_lambdaarg(ast->ar.idx);
+
 		case AST_WORD:
 			assert(ast->wo.word);
 			return ast_word(copystring(ast->wo.word));
@@ -217,6 +223,14 @@ AST* ast_lambda(lambdafunc_t cfunc,AST *body){
 	return ast;
 }
 
+AST* ast_lambdaarg(int idx){
+	assert(idx>=0);
+	AST *ast=malloc(1,AST);
+	ast->type=AST_LAMBDAARG;
+	ast->ar.idx=idx;
+	return ast;
+}
+
 AST* ast_word(char *word){
 	assert(word);
 	AST *ast=malloc(1,AST);