Guide: minor clarifications for the Pointers part

This commit is contained in:
Piotr Szotkowski 2014-10-26 09:31:52 +01:00
parent 3a8f4ec32a
commit c7182ba997

View file

@ -3463,7 +3463,7 @@ note: previous borrow ends here
This is a big error message. Let's dig into it for a moment. There are three
parts: the error and two notes. The error says what we expected, we cannot have
two pointers that point to the same memory.
two mutable pointers that point to the same memory.
The two notes give some extra context. Rust's error messages often contain this
kind of extra information when the error is complex. Rust is telling us two
@ -3762,7 +3762,7 @@ value that must persist as long as any of several referrers, read on.
## Rc and Arc
Sometimes, you need a variable that is referenced from multiple places
Sometimes you need a variable that is referenced from multiple places
(immutably!), lasting as long as any of those places, and disappearing when it
is no longer referenced. For instance, in a graph-like data structure, a node
might be referenced from all of its neighbors. In this case, it is not possible
@ -3858,7 +3858,7 @@ match x {
```
If you're matching on an enum which has variants, you can use `..` to
ignore the value in the variant:
ignore the value and type in the variant:
```{rust}
enum OptionalInt {