f472cc8cd4
the `no_mangle`, `link_section` and `export_name` attributes are exceptions, and can still be used without an unsafe in earlier editions
18 lines
471 B
Rust
18 lines
471 B
Rust
#![feature(ffi_const)]
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#![crate_type = "lib"]
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#[unsafe(ffi_const)] //~ ERROR `#[ffi_const]` may only be used on foreign functions
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pub fn foo() {}
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#[unsafe(ffi_const)] //~ ERROR `#[ffi_const]` may only be used on foreign functions
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macro_rules! bar {
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() => {};
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}
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extern "C" {
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#[unsafe(ffi_const)] //~ ERROR `#[ffi_const]` may only be used on foreign functions
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static INT: i32;
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#[ffi_const] //~ ERROR unsafe attribute used without unsafe
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fn bar();
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}
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