diff --git a/src/doc/trpl/pointers.md b/src/doc/trpl/pointers.md index 332f299a67f..0f46b4da0d6 100644 --- a/src/doc/trpl/pointers.md +++ b/src/doc/trpl/pointers.md @@ -361,16 +361,16 @@ duration a *lifetime*. Let's try a more complex example: ```{rust} fn main() { - let x = &mut 5; + let mut x = 5; - if *x < 10 { + if x < 10 { let y = &x; println!("Oh no: {}", y); return; } - *x -= 1; + x -= 1; println!("Oh no: {}", x); } @@ -382,17 +382,18 @@ mutated, and therefore, lets us pass. This wouldn't work: ```{rust,ignore} fn main() { - let x = &mut 5; + let mut x = 5; - if *x < 10 { + if x < 10 { let y = &x; - *x -= 1; + + x -= 1; println!("Oh no: {}", y); return; } - *x -= 1; + x -= 1; println!("Oh no: {}", x); } @@ -401,12 +402,12 @@ fn main() { It gives this error: ```text -test.rs:5:8: 5:10 error: cannot assign to `*x` because it is borrowed -test.rs:5 *x -= 1; - ^~ -test.rs:4:16: 4:18 note: borrow of `*x` occurs here -test.rs:4 let y = &x; - ^~ +test.rs:7:9: 7:15 error: cannot assign to `x` because it is borrowed +test.rs:7 x -= 1; + ^~~~~~ +test.rs:5:18: 5:19 note: borrow of `x` occurs here +test.rs:5 let y = &x; + ^ ``` As you might guess, this kind of analysis is complex for a human, and therefore