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make teach_help message for cast-before-pass-to-variadic more precise #141443

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Merged
merged 2 commits into from
May 25, 2025
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make teach_help message for cast-before-pass-to-variadic more precise #141443

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180ab16
make teach_help message for cast-before-pass-to-variadic more precise
RalfJung May 23, 2025
4e8b8da
fix help message
RalfJung May 25, 2025
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2 changes: 1 addition & 1 deletion compiler/rustc_hir_typeck/messages.ftl
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Expand Up @@ -169,7 +169,7 @@ hir_typeck_option_result_copied = use `{$def_path}::copied` to copy the value in

hir_typeck_pass_to_variadic_function = can't pass `{$ty}` to variadic function
.suggestion = cast the value to `{$cast_ty}`
.teach_help = certain types, like `{$ty}`, must be casted before passing them to a variadic function, because of arcane ABI rules dictated by the C standard
.teach_help = certain types, like `{$ty}`, must be cast before passing them to a variadic function to match the implicit cast that a C compiler would perform as part of C's numeric promotion rules

hir_typeck_ptr_cast_add_auto_to_object = cannot add {$traits_len ->
[1] auto trait {$traits}
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