int_from_ptr_to_optional.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 {
    const num: usize = 4;
    const y: ?*const usize = &num;
    _ = @intFromPtr(y);
}

// error
//
// :4:9: error: unable to evaluate comptime expression
// :4:21: note: operation is runtime due to this operand
// :1:1: note: 'comptime' keyword forces comptime evaluation