Because a macro invocation can expand to a never pattern, we can't rule out a `arm!(),` arm at parse time. Instead we detect that case at expansion time, if the macro tries to output a pattern followed by `=>`. |
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|---|---|---|
| .. | ||
| src | ||
| Cargo.toml | ||
| messages.ftl | ||
Because a macro invocation can expand to a never pattern, we can't rule out a `arm!(),` arm at parse time. Instead we detect that case at expansion time, if the macro tries to output a pattern followed by `=>`. |
||
|---|---|---|
| .. | ||
| src | ||
| Cargo.toml | ||
| messages.ftl | ||