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Fix error message tests

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This commit is contained in:
John Kåre Alsaker 2017-07-15 22:40:46 +02:00
parent f5ec50358a
commit 4628f8534f
1 changed files with 5 additions and 0 deletions
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5
src/librustc_borrowck/diagnostics.rs
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@ -1188,6 +1188,7 @@ This error occurs because a borrow in a generator persists across a
yield point.
```compile_fail,E0624
# #![feature(generators)]
let mut b = || {
let a = &3; // <-- This borrow...
yield (); // ...is still in scope here, when the yield occurs.
@ -1204,6 +1205,7 @@ resolve the previous example by removing the borrow and just storing
the integer by value:
```
# #![feature(generators)]
let mut b = || {
let a = 3;
yield ();
@ -1219,6 +1221,7 @@ in those cases, something like the `Rc` or `Arc` types may be useful.
This error also frequently arises with iteration:
```compile_fail,E0624
# #![feature(generators)]
let mut b = || {
let v = vec![1,2,3];
for &x in &v { // <-- borrow of `v` is still in scope...
@ -1232,6 +1235,7 @@ Such cases can sometimes be resolved by iterating "by value" (or using
`into_iter()`) to avoid borrowing:
```
# #![feature(generators)]
let mut b = || {
let v = vec![1,2,3];
for x in v { // <-- Take ownership of the values instead!
@ -1244,6 +1248,7 @@ b.resume();
If taking ownership is not an option, using indices can work too:
```
# #![feature(generators)]
let mut b = || {
let v = vec![1,2,3];
let len = v.len(); // (*)