diff options
Diffstat (limited to '')
| -rw-r--r-- | compiler/rustc_error_codes/src/error_codes/E0161.md | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/compiler/rustc_error_codes/src/error_codes/E0161.md b/compiler/rustc_error_codes/src/error_codes/E0161.md index ebd2c9769..643990ef1 100644 --- a/compiler/rustc_error_codes/src/error_codes/E0161.md +++ b/compiler/rustc_error_codes/src/error_codes/E0161.md @@ -3,7 +3,6 @@ A value was moved whose size was not known at compile time. Erroneous code example: ```compile_fail,E0161 -#![feature(box_syntax)] trait Bar { fn f(self); } @@ -13,7 +12,7 @@ impl Bar for i32 { } fn main() { - let b: Box<dyn Bar> = box (0 as i32); + let b: Box<dyn Bar> = Box::new(0i32); b.f(); // error: cannot move a value of type dyn Bar: the size of dyn Bar cannot // be statically determined @@ -27,8 +26,6 @@ either `&x` or `&mut x`. Since a reference has a fixed size, this lets you move it around as usual. Example: ``` -#![feature(box_syntax)] - trait Bar { fn f(&self); } @@ -38,7 +35,7 @@ impl Bar for i32 { } fn main() { - let b: Box<dyn Bar> = box (0 as i32); + let b: Box<dyn Bar> = Box::new(0i32); b.f(); // ok! } |