diff options
| -rw-r--r-- | src/librustc_borrowck/diagnostics.rs | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/librustc_borrowck/diagnostics.rs b/src/librustc_borrowck/diagnostics.rs index f8511bc9c7d..3987799ceb6 100644 --- a/src/librustc_borrowck/diagnostics.rs +++ b/src/librustc_borrowck/diagnostics.rs @@ -1188,7 +1188,7 @@ This error occurs because a borrow in a generator persists across a yield point. ```compile_fail,E0624 -# #![feature(generators)] +# #![feature(generators, generator_trait)] # use std::ops::Generator; let mut b = || { let a = &3; // <-- This borrow... @@ -1206,7 +1206,7 @@ resolve the previous example by removing the borrow and just storing the integer by value: ``` -# #![feature(generators)] +# #![feature(generators, generator_trait)] # use std::ops::Generator; let mut b = || { let a = 3; @@ -1223,7 +1223,7 @@ 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)] +# #![feature(generators, generator_trait)] # use std::ops::Generator; let mut b = || { let v = vec![1,2,3]; @@ -1238,7 +1238,7 @@ Such cases can sometimes be resolved by iterating "by value" (or using `into_iter()`) to avoid borrowing: ``` -# #![feature(generators)] +# #![feature(generators, generator_trait)] # use std::ops::Generator; let mut b = || { let v = vec![1,2,3]; @@ -1252,7 +1252,7 @@ b.resume(); If taking ownership is not an option, using indices can work too: ``` -# #![feature(generators)] +# #![feature(generators, generator_trait)] # use std::ops::Generator; let mut b = || { let v = vec![1,2,3]; |