mirror of https://github.com/rust-lang/rust
34 lines
722 B
Rust
34 lines
722 B
Rust
#![deny(unused_attributes)]
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// Unused attributes on macro_rules requires special handling since the
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// macro_rules definition does not survive towards HIR.
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// A sample of various built-in attributes.
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#[macro_export]
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#[macro_use] //~ ERROR `#[macro_use]` only has an effect
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#[path="foo"] //~ ERROR #[path]` only has an effect
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#[recursion_limit="1"] //~ ERROR crate-level attribute should be an inner attribute
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macro_rules! foo {
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() => {};
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}
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// The following should not warn about unused attributes.
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#[allow(unused)]
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macro_rules! foo2 {
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() => {};
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}
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#[cfg(FALSE)]
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macro_rules! foo {
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() => {};
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}
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/// Some docs
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#[deprecated]
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#[doc = "more docs"]
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#[macro_export]
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macro_rules! bar {
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() => {};
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}
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fn main() {}
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