zig

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test_allowzero.zig (297B) - Raw

      1 const std = @import("std");
      2 const expect = std.testing.expect;
      3 
      4 test "allowzero" {
      5     var zero: usize = 0; // var to make to runtime-known
      6     _ = &zero; // suppress 'var is never mutated' error
      7     const ptr: *allowzero i32 = @ptrFromInt(zero);
      8     try expect(@intFromPtr(ptr) == 0);
      9 }
     10 
     11 // test