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Paths

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Corey Farwell 2017-02-20 23:11:01 -05:00 committed by Steve Klabnik
parent c6275c4b76
commit 49cea270d1
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src/doc/reference/src/paths.md
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@ -2,9 +2,12 @@
A _path_ is a sequence of one or more path components _logically_ separated by
a namespace qualifier (`::`). If a path consists of only one component, it may
refer to either an [item](#items) or a [variable](#variables) in a local control
refer to either an [item] or a [variable] in a local control
scope. If a path has multiple components, it refers to an item.
[item]: items.html
[variable]: variables.html
Every item has a _canonical path_ within its crate, but the path naming an item
is only meaningful within a given crate. There is no global namespace across
crates; an item's canonical path merely identifies it within the crate.
@ -16,16 +19,19 @@ x;
x::y::z;
```
Path components are usually [identifiers](#identifiers), but they may
Path components are usually [identifiers], but they may
also include angle-bracket-enclosed lists of type arguments. In
[expression](#expressions) context, the type argument list is given
[expression] context, the type argument list is given
after a `::` namespace qualifier in order to disambiguate it from a
relational expression involving the less-than symbol (`<`). In type
expression context, the final namespace qualifier is omitted.
[identifiers]: identifiers.html
[expression]: expressions.html
Two examples of paths with type arguments:
```
```rust
# struct HashMap<K, V>(K,V);
# fn f() {
# fn id<T>(t: T) -> T { t }