Support struct literals as constants

1 files changed, 0 insertions, 24 deletions

diff --git a/ast.c b/ast.c
index 64464dc9..80681e10 100644
--- a/ast.c
+++ b/ast.c
@@ -196,28 +196,4 @@ bool is_idempotent(ast_t *ast)
     }
 }
 
-bool is_constant(ast_t *ast)
-{
-    switch (ast->tag) {
-    case Bool: case Int: case Num: case Nil: case TextLiteral: return true;
-    case TextJoin: {
-        auto text = Match(ast, TextJoin);
-        return !text->children || !text->children->next;
-    }
-    case Not: return is_constant(Match(ast, Not)->value);
-    case Negative: return is_constant(Match(ast, Negative)->value);
-    case BinaryOp: {
-        auto binop = Match(ast, BinaryOp);
-        switch (binop->op) {
-        case BINOP_UNKNOWN: case BINOP_POWER: case BINOP_CONCAT: case BINOP_MIN: case BINOP_MAX: case BINOP_CMP:
-            return false;
-        default:
-            return is_constant(binop->lhs) && is_constant(binop->rhs);
-        }
-    }
-    case Use: return true;
-    default: return false;
-    }
-}
-
 // vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0