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| author | Jasper Ras <jras@hostnet.nl> | 2025-08-03 22:29:47 +0200 |
|---|---|---|
| committer | Jasper Ras <jras@hostnet.nl> | 2025-08-03 22:29:47 +0200 |
| commit | 931eb0894e7cd3717f1218f0eb06382b11734c13 (patch) | |
| tree | b6ad9b0d98a8f26e496c91ad3f24d1c855b654df /Saturating a value when wrapping.md | |
| parent | af98004d2cf437603f47f4224110a80d76d0d7de (diff) | |
vault backup: 2025-08-03 22:29:47
Diffstat (limited to 'Saturating a value when wrapping.md')
| -rw-r--r-- | Saturating a value when wrapping.md | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Saturating a value when wrapping.md b/Saturating a value when wrapping.md new file mode 100644 index 0000000..2cc5bf9 --- /dev/null +++ b/Saturating a value when wrapping.md @@ -0,0 +1,12 @@ +[[Integers can overflow if compiled with --release]] +[[Rust]] + +This was a bit confusing to me, but [this forum post](https://users.rust-lang.org/t/saturating-what-does-it-really-do-and-when-is-it-useful/52720/2) sums it up quite well: + +Instead of wrapping around or error'ing, the maximum or minimum value of the type is chosen depending on which is closest to the result. + +Example with `u8`: +`0 - 1 = 0` +`7 - 8 = 0` +`8 + 1 = 8` +`1 + 8 = 8`
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