mirror of https://github.com/rust-lang/rust
20 lines
474 B
Rust
20 lines
474 B
Rust
#![feature(stmt_expr_attributes)]
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fn foo() -> String {
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#[cfg(FALSE)]
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[1, 2, 3].iter().map(|c| c.to_string()).collect::<String>() //~ ERROR expected `;`, found `#`
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#[cfg(not(FALSE))]
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String::new()
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}
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fn bar() -> String {
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#[attr]
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[1, 2, 3].iter().map(|c| c.to_string()).collect::<String>() //~ ERROR expected `;`, found `#`
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#[attr] //~ ERROR cannot find attribute `attr` in this scope
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String::new()
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}
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fn main() {
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println!("{}", foo());
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}
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