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fix out of date info on type aliases #831

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merged 4 commits into from
Jun 13, 2020
Merged

fix out of date info on type aliases #831

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6d54054
fix out of date info on type aliases
yaahc Jun 9, 2020
1d42f56
fix based on review
yaahc Jun 10, 2020
0564cc9
remove pub
yaahc Jun 10, 2020
d150e88
Rename examples to not use "pub".
ehuss Jun 13, 2020
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15 changes: 9 additions & 6 deletions src/items/type-aliases.md
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Original file line number Diff line number Diff line change
Expand Up @@ -20,13 +20,16 @@ type Point = (u8, u8);
let p: Point = (41, 68);
```

A type alias to an enum type cannot be used to qualify the constructors:
A type alias to a tuple-struct or unit-struct cannot be used to qualify that type's constructor:

```rust
enum E { A }
type F = E;
let _: F = E::A; // OK
// let _: F = F::A; // Doesn't work
```rust,edition2018,compile_fail
struct MyStruct(u32);

use MyStruct as UseAlias;
type TypeAlias = MyStruct;

let _ = UseAlias(5); // OK
let _ = TypeAlias(5); // Doesn't work
```

[IDENTIFIER]: ../identifiers.md
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