Use '$' for min/max variable

2 files changed, 3 insertions, 3 deletions

diff --git a/compile.c b/compile.c
index 0c7c050e..37d67af8 100644
--- a/compile.c
+++ b/compile.c
@@ -523,7 +523,7 @@ CORD compile(env_t *env, ast_t *ast)
         ast_t *key = ast->tag == Min ? Match(ast, Min)->key : Match(ast, Max)->key;
         ast_t *lhs = ast->tag == Min ? Match(ast, Min)->lhs : Match(ast, Max)->lhs;
         ast_t *rhs = ast->tag == Min ? Match(ast, Min)->rhs : Match(ast, Max)->rhs;
-        const char *key_name = ast->tag == Min ? "_min_" : "_max_";
+        const char *key_name = "$";
         if (key == NULL) key = FakeAST(Var, key_name);
 
         env_t *expr_env = fresh_scope(env);
diff --git a/parse.c b/parse.c
index 8ed6526f..de33439d 100644
--- a/parse.c
+++ b/parse.c
@@ -738,7 +738,7 @@ PARSER(parse_reduction) {
     ast_t *lhs = NewAST(ctx->file, pos, pos, Var, .name="$reduction");
     ast_t *rhs = NewAST(ctx->file, pos, pos, Var, .name="$iter_value");
     if (op == BINOP_MIN || op == BINOP_MAX) {
-        ast_t *key = NewAST(ctx->file, pos, pos, Var, .name=(op == BINOP_MIN ? "_min_" : "_max_"));
+        ast_t *key = NewAST(ctx->file, pos, pos, Var, .name="$");
         for (bool progress = true; progress; ) {
             ast_t *new_term;
             progress = (false
@@ -1302,7 +1302,7 @@ static ast_t *parse_infix_expr(parse_ctx_t *ctx, const char *pos, int min_tightn
     for (binop_e op; (op=match_binary_operator(&pos)) != BINOP_UNKNOWN && op_tightness[op] >= min_tightness; spaces(&pos)) {
         ast_t *key = NULL;
         if (op == BINOP_MIN || op == BINOP_MAX) {
-            key = NewAST(ctx->file, pos, pos, Var, .name=op == BINOP_MIN ? "_min_" : "_max_");
+            key = NewAST(ctx->file, pos, pos, Var, .name="$");
             for (bool progress = true; progress; ) {
                 ast_t *new_term;
                 progress = (false