keys.c

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/*
 * This file is part of the Fun programming language.
 * https://fun-lang.xyz/
 *
 * Copyright 2025 Johannes Findeisen <you@hanez.org>
 * Licensed under the terms of the Apache-2.0 license.
 * https://opensource.org/license/apache-2-0
 */


case OP_KEYS: {
 Value m = pop_value(vm);
 if (m.type != VAL_MAP) {
 fprintf(stderr, "KEYS expects map\n");
 exit(1);
 }
 Value arr = map_keys_array(&m);
 free_value(m);
 push_value(vm, arr);
 break;
}