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This macro provides similar functionality to the unstable feature `concat_idents` without having to rely on it. For instance: let x_1 = 42; let x_2 = concat_idents!(x, _1); assert!(x_1 == x_2); It has different behavior with respect to macro hygiene. Unlike the unstable `concat_idents!` macro, it allows, for example, referring to local variables by taking the span of the second macro as span for the output identifier. Signed-off-by: Björn Roy Baron <bjorn3_gh@protonmail.com> Reviewed-by: Finn Behrens <me@kloenk.dev> Reviewed-by: Gary Guo <gary@garyguo.net> [Reworded, adapted for upstream and applied latest changes] Signed-off-by: Miguel Ojeda <ojeda@kernel.org> |
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.. | ||
concat_idents.rs | ||
helpers.rs | ||
lib.rs | ||
module.rs |