bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

docs(slice): Clarify half-open interval

Browse source
This commit is contained in:
Florian Keller 2017-12-20 11:43:49 +01:00
parent 588f7db8ef
commit f6ab79d1aa
No known key found for this signature in database
GPG key ID: 5570D938BDA00C34
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/libcore/slice/mod.rs
View file

@ -400,7 +400,7 @@ impl<T> SliceExt for [T] {
while size > 1 { while size > 1 {
let half = size / 2; let half = size / 2;
let mid = base + half; let mid = base + half;
// mid is always in [0, size). // mid is always in [0, size), that means mid is >= 0 and < size.
// mid >= 0: by definition // mid >= 0: by definition
// mid < size: mid = size / 2 + size / 4 + size / 8 ... // mid < size: mid = size / 2 + size / 4 + size / 8 ...
let cmp = f(unsafe { s.get_unchecked(mid) }); let cmp = f(unsafe { s.get_unchecked(mid) });