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author | Chris Boesch <chrboesch@noreply.codeberg.org> | 2023-01-21 14:41:35 +0100 |
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committer | GitHub <noreply@github.com> | 2023-01-21 14:41:35 +0100 |
commit | 68af87518f1b56170bb6c526fe0770c3c20ebabb (patch) | |
tree | 9e62c59d47a7db243fa9cb0a7b171c66cf58416b /exercises/064_builtins.zig | |
parent | e978b09a0ac98919cbad5fe89d2e8e8adbea5a1c (diff) | |
parent | 69a02c5ec4f279feb750e97cf079525947c944e7 (diff) |
Merge branch 'main' into check_output_len
Diffstat (limited to 'exercises/064_builtins.zig')
-rw-r--r-- | exercises/064_builtins.zig | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/exercises/064_builtins.zig b/exercises/064_builtins.zig index 1a0d263..85d1aa7 100644 --- a/exercises/064_builtins.zig +++ b/exercises/064_builtins.zig @@ -38,14 +38,12 @@ pub fn main() void { // Let's try it with a tiny 4-bit integer size to make it clear: const a: u4 = 0b1101; const b: u4 = 0b0101; - var my_result: u4 = undefined; - var overflowed: bool = undefined; - overflowed = @addWithOverflow(u4, a, b, &my_result); + const my_result = @addWithOverflow(a, b); // Check out our fancy formatting! b:0>4 means, "print // as a binary number, zero-pad right-aligned four digits." // The print() below will produce: "1101 + 0101 = 0010 (true)". - print("{b:0>4} + {b:0>4} = {b:0>4} ({})", .{ a, b, my_result, overflowed }); + print("{b:0>4} + {b:0>4} = {b:0>4} ({s})", .{ a, b, my_result[0], if (my_result[1] == 1) "true" else "false" }); // Let's make sense of this answer. The value of 'b' in decimal is 5. // Let's add 5 to 'a' but go one by one and see where it overflows: |