diff options
| -rw-r--r-- | src/librustc_typeck/diagnostics.rs | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/librustc_typeck/diagnostics.rs b/src/librustc_typeck/diagnostics.rs index aaba2f9aa2a..41605cfcb33 100644 --- a/src/librustc_typeck/diagnostics.rs +++ b/src/librustc_typeck/diagnostics.rs @@ -4632,9 +4632,10 @@ unsafe { } ``` -To fix this error, you need to pass variables corresponding to C types as much -as possible. For better explanations, see The Rust Book: -https://doc.rust-lang.org/book/ +Certain Rust types must be cast before passing them to a variadic function, +because of arcane ABI rules dictated by the C standard. To fix the error, +cast the value to the type specified by the error message (which you may need +to import from `std::os::raw`). "##, E0618: r##" |