sub_assign_on_undefined_value.zig « compile_errors « cases « test - zig - General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software. https://ziglang.org

General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software. https://ziglang.org

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comptime {
    var a: i64 = undefined;
    a -= a;
}

// error
//
// :3:5: error: use of undefined value here causes illegal behavior