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5c73be16
编写于
1月 04, 2020
作者:
G
Guillaume Gomez
提交者:
GitHub
1月 04, 2020
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Rollup merge of #67837 - GuillaumeGomez:clean-up-err-codes, r=Dylan-DPC
Clean up err codes r? @Dylan-DPC
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1140ceeb
062cd789
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+35
-13
src/librustc_error_codes/error_codes/E0136.md
src/librustc_error_codes/error_codes/E0136.md
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src/librustc_error_codes/error_codes/E0161.md
src/librustc_error_codes/error_codes/E0161.md
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src/librustc_error_codes/error_codes/E0164.md
src/librustc_error_codes/error_codes/E0164.md
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src/librustc_error_codes/error_codes/E0136.md
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5c73be16
A binary can only have one entry point, and by default that entry point is the
function
`main()`
. If there are multiple such functions, please rename one.
More than one
`main`
function was found.
Erroneous code example:
...
...
@@ -14,3 +13,7 @@ fn main() { // error!
// ...
}
```
A binary can only have one entry point, and by default that entry point is the
`main()`
function. If there are multiple instances of this function, please
rename one of them.
src/librustc_error_codes/error_codes/E0161.md
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5c73be16
A value was moved. However, its size was not known at compile time, and only
values of a known size can be moved.
A value was moved whose size was not known at compile time.
Erroneous code example:
...
...
src/librustc_error_codes/error_codes/E0164.md
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5c73be16
This error means that an attempt was made to match a struct type enum
variant as a non-struct type:
Something which is neither a tuple struct nor a tuple variant was used as a
pattern.
Erroneous code example:
```
compile_fail,E0164
enum Foo { B { i: u32 } }
enum A {
B,
C,
}
impl A {
fn new() {}
}
fn bar(foo:
Foo) -> u32
{
fn bar(foo:
A)
{
match foo {
Foo::B(i) => i, // error E0164
A::new() => (), // error!
_ => {}
}
}
```
Try using
`{}`
instead:
This error means that an attempt was made to match something which is neither a
tuple struct nor a tuple variant. Only these two elements are allowed as a
pattern:
```
enum Foo { B { i: u32 } }
enum A {
B,
C,
}
impl A {
fn new() {}
}
fn bar(foo:
Foo) -> u32
{
fn bar(foo:
A)
{
match foo {
Foo::B{i} => i,
A::B => (), // ok!
_ => {}
}
}
```
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