zig

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test_misaligned_pointer.zig (359B) - Raw

      1 const std = @import("std");
      2 const expect = std.testing.expect;
      3 
      4 const BitField = packed struct {
      5     a: u3,
      6     b: u3,
      7     c: u2,
      8 };
      9 
     10 var bit_field = BitField{
     11     .a = 1,
     12     .b = 2,
     13     .c = 3,
     14 };
     15 
     16 test "pointer to non-byte-aligned field" {
     17     try expect(bar(&bit_field.b) == 2);
     18 }
     19 
     20 fn bar(x: *const u3) u3 {
     21     return x.*;
     22 }
     23 
     24 // test_error=expected type