zig

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runtime_wrong_union_field_access.zig (257B) - Raw

      1 const std = @import("std");
      2 
      3 const Foo = union {
      4     float: f32,
      5     int: u32,
      6 };
      7 
      8 pub fn main() void {
      9     var f = Foo{ .int = 42 };
     10     bar(&f);
     11 }
     12 
     13 fn bar(f: *Foo) void {
     14     f.float = 12.34;
     15     std.debug.print("value: {}\n", .{f.float});
     16 }
     17 
     18 // exe=fail