| 1 | const std = @import("std"); |
| 2 | |
| 3 | test { |
| 4 | const dest = foo(); |
| 5 | const source = foo(); |
| 6 | |
| 7 | @memcpy(dest, source); |
| 8 | @memmove(dest, source); |
| 9 | @memset(dest, 4); |
| 10 | @memset(dest, undefined); |
| 11 | |
| 12 | const dest2 = foo2(); |
| 13 | @memset(dest2, 0); |
| 14 | } |
| 15 | |
| 16 | fn foo() []u8 { |
| 17 | const ptr = comptime std.mem.alignBackward(usize, std.math.maxInt(usize), 1); |
| 18 | return @as([*]align(1) u8, @ptrFromInt(ptr))[0..0]; |
| 19 | } |
| 20 | |
| 21 | fn foo2() []u64 { |
| 22 | const ptr = comptime std.mem.alignBackward(usize, std.math.maxInt(usize), 1); |
| 23 | return @as([*]align(1) u64, @ptrFromInt(ptr))[0..0]; |
| 24 | } |