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error: no rules expected the token `$`
--> $DIR/best-failure.rs:4:30
|
LL | macro_rules! number {
| ------------------- when calling this macro
...
LL | number!(neg $signed, $self);
| ^^^^^ no rules expected this token in macro call
...
LL | number! { false => u8; }
| ------------------------ in this macro invocation
|
note: while trying to match meta-variable `$self:ident`
--> $DIR/best-failure.rs:2:17
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LL | (neg false, $self:ident) => { $self };
| ^^^^^^^^^^^
= note: this error originates in the macro `number` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to previous error
|
