diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/librustc_error_codes/error_codes.rs | 2 | ||||
| -rw-r--r-- | src/librustc_error_codes/error_codes/E0641.md | 19 |
2 files changed, 20 insertions, 1 deletions
diff --git a/src/librustc_error_codes/error_codes.rs b/src/librustc_error_codes/error_codes.rs index ffefe51f854..f886d06b96d 100644 --- a/src/librustc_error_codes/error_codes.rs +++ b/src/librustc_error_codes/error_codes.rs @@ -351,6 +351,7 @@ E0635: include_str!("./error_codes/E0635.md"), E0636: include_str!("./error_codes/E0636.md"), E0638: include_str!("./error_codes/E0638.md"), E0639: include_str!("./error_codes/E0639.md"), +E0641: include_str!("./error_codes/E0641.md"), E0642: include_str!("./error_codes/E0642.md"), E0643: include_str!("./error_codes/E0643.md"), E0644: include_str!("./error_codes/E0644.md"), @@ -585,7 +586,6 @@ E0744: include_str!("./error_codes/E0744.md"), E0634, // type has conflicting packed representaton hints E0637, // "'_" is not a valid lifetime bound E0640, // infer outlives requirements - E0641, // cannot cast to/from a pointer with an unknown kind // E0645, // trait aliases not finished E0657, // `impl Trait` can only capture lifetimes bound at the fn level E0667, // `impl Trait` in projections diff --git a/src/librustc_error_codes/error_codes/E0641.md b/src/librustc_error_codes/error_codes/E0641.md new file mode 100644 index 00000000000..e39bebce1fe --- /dev/null +++ b/src/librustc_error_codes/error_codes/E0641.md @@ -0,0 +1,19 @@ +Attempted to cast to/from a pointer with an unknown kind. + +Erroneous code examples: + +```compile_fail,E0641 +let b = 0 as *const _; // error +``` + +Must give information for type of pointer that is being cast from/to if the +type cannot be inferred. + +``` +// Creating a pointer from reference: type can be inferred +let a = &(String::from("Hello world!")) as *const _; // Ok + +let b = 0 as *const i32; // Ok + +let c: *const i32 = 0 as *const _; // Ok +``` \ No newline at end of file |