github_mirrors/rust-book-cn
1
0
Fork 0
mirror of https://github.com/rust-lang-cn/book-cn.git synced 2025-01-25 00:18:46 +08:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #162 from frewsxcv/patch-2

Browse Source 
Don't use UFCS before it gets introduced.
This commit is contained in:
Carol Nichols 2016-07-30 16:40:38 -04:00 committed by GitHub
commit b5448577e5
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/ch05-02-method-syntax.md
View File

@ -189,7 +189,7 @@ reference. Yet, we needed a `&` for `p2` but not `p1`. What gives?
This feature is called ‘automatic referencing’, and calling methods is one
of the few places in Rust that has behavior like this. Here’s how it works:
when you call a method with `self.(`, Rust will automatically add in `&`s
or `&mut`s to match the signature. In other words, these three are the same:
or `&mut`s to match the signature. In other words, these are the same:
```rust
# #[derive(Debug,Copy,Clone)]
@ -210,7 +210,6 @@ or `&mut`s to match the signature. In other words, these three are the same:
# let p2 = Point { x: 5.0, y: 6.5 };
p1.distance(&p2);
(&p1).distance(&p2);
Point::distance(&p1, &p2);
```
The first one looks much, much cleaner. Here’s another example: