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38d4ac7cea
Discussion previously happened in https://github.com/rust-lang/rust/pull/43498
12 lines
379 B
Rust
12 lines
379 B
Rust
pub trait A {}
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macro_rules! __implicit_hasher_test_macro {
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(impl< $($impl_arg:tt),* > for $kind:ty where $($bounds:tt)*) => {
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__implicit_hasher_test_macro!( ($($impl_arg),*) ($kind) ($($bounds)*) );
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};
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(($($impl_arg:tt)*) ($($kind_arg:tt)*) ($($bounds:tt)*)) => {
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impl< $($impl_arg)* > test_macro::A for $($kind_arg)* where $($bounds)* { }
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};
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}
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