OpenE2K/rust
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Rollup merge of #25530 - peferron:doc-closures-whitespace-fix, r=alexcrichton

Browse Source 
Tiny fixes collected while reading through the Rust book. If they're too nitpicky please let me know and I'll ignore the next ones. :)

The spaces after the function and closure arguments might be intentional, but they do not make much sense: the usual formatting doesn't have such spaces, and they aren't helping align the three lines together either.

r? @steveklabnik (as suggested by [CONTRIBUTING.md](https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md))
This commit is contained in:
Manish Goregaokar 2015-05-18 08:55:38 +05:30
commit 252027768e
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/doc/trpl/closures.md
View File

@ -54,9 +54,9 @@ The second is that the syntax is similar, but a bit different. I’ve added spac
here to make them look a little closer:
```rust
fn plus_one_v1 (x: i32 ) -> i32 { x + 1 }
let plus_one_v2 = |x: i32 | -> i32 { x + 1 };
let plus_one_v3 = |x: i32 | x + 1 ;
fn plus_one_v1 (x: i32) -> i32 { x + 1 }
let plus_one_v2 = |x: i32| -> i32 { x + 1 };
let plus_one_v3 = |x: i32| x + 1 ;
```
Small differences, but they’re similar in ways.
@ -136,7 +136,7 @@ This gives us:
note: `nums` moved into closure environment here because it has type
`[closure(()) -> collections::vec::Vec<i32>]`, which is non-copyable
let takes_nums = || nums;
^~~~~~~
^~~~~~~
```
`Vec<T>` has ownership over its contents, and therefore, when we refer to it
@ -352,8 +352,8 @@ error: the trait `core::marker::Sized` is not implemented for the type
factory() -> (Fn(i32) -> Vec<i32>) {
^~~~~~~~~~~~~~~~~~~~~
note: `core::ops::Fn(i32) -> collections::vec::Vec<i32>` does not have a constant size known at compile-time
fa ctory() -> (Fn(i32) -> Vec<i32>) {
^~~~~~~~~~~~~~~~~~~~~
factory() -> (Fn(i32) -> Vec<i32>) {
^~~~~~~~~~~~~~~~~~~~~
```