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Add error explanation for E0013 #24893

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Apr 29, 2015
Merged

Add error explanation for E0013 #24893

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20 changes: 19 additions & 1 deletion src/librustc/diagnostics.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -168,6 +168,25 @@ match x {
```
"##,

E0013: r##"
Static and const variables can refer to other const variables. But a const
variable cannot refer to a static variable. For example, `Y` cannot refer to `X`
here:

```
static X: i32 = 42;
const Y: i32 = X;
```

To fix this, the value can be extracted as a const and then used:

```
const A: i32 = 42;
static X: i32 = A;
const Y: i32 = A;
```
"##,

E0015: r##"
The only function calls allowed in static or constant expressions are enum
variant constructors or struct constructors (for unit or tuple structs). This
Expand Down Expand Up @@ -462,7 +481,6 @@ register_diagnostics! {
E0010,
E0011,
E0012,
E0013,
E0014,
E0016,
E0017,
Expand Down