mirror of
https://github.com/rust-lang/rust
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31 lines
816 B
Rust
31 lines
816 B
Rust
#![deny(meta_variable_misuse)]
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macro_rules! foo {
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() => {};
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( $( $i:ident = $($j:ident),+ );* ) => { $( $( $i = $j; )* )* };
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//~^ ERROR meta-variable repeats with
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( $( $($j:ident),+ );* ) => { $( $( $j; )+ )+ }; //~ERROR meta-variable repeats with
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}
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macro_rules! bar {
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() => {};
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(test) => {
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macro_rules! nested {
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() => {};
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( $( $i:ident = $($j:ident),+ );* ) => { $( $( $i = $j; )* )* };
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//~^ ERROR meta-variable repeats with
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( $( $($j:ident),+ );* ) => { $( $( $j; )+ )+ }; //~ERROR meta-variable repeats with
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}
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};
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( $( $i:ident = $($j:ident),+ );* ) => {
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$(macro_rules! $i {
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() => { 0 $( + $j )* }; //~ ERROR meta-variable repeats with
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})*
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};
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}
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fn main() {
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foo!();
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bar!();
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}
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