github_mirrors/rust-book-cn
1
0
Fork 0
mirror of https://github.com/rust-lang-cn/book-cn.git synced 2025-01-24 16:10:25 +08:00
Code Issues Packages Projects Releases Wiki Activity

Wrapping

Browse Source
This commit is contained in:
Carol (Nichols || Goulding) 2016-08-02 16:31:21 -04:00
parent 32f087ef36
commit ba95d0a22f
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/ch04-03-slices.md
View File

@ -68,8 +68,9 @@ the binding `byte` will hold the actual byte, not a reference to a byte.
s.len()
```
We search for the value 32, which represents a space in UTF-8. If we find one, we return the
position. Otherwise, we return the length of the string, using `s.len()`.
We search for the value 32, which represents a space in UTF-8. If we find one,
we return the position. Otherwise, we return the length of the string, using
`s.len()`.
This works, but there’s a problem. We’re returning a `usize` on its own, but
it’s only a meaningful number in the context of the `&String`. In other