#![allow(clashing_extern_declarations)] // check-pass // In this test we check that the parser accepts an ABI string when it // comes from a macro `literal` or `expr` fragment as opposed to a hardcoded string. fn main() {} macro_rules! abi_from_lit_frag { ($abi:literal) => { extern $abi { fn _import(); } extern $abi fn _export() {} type _PTR = extern $abi fn(); } } macro_rules! abi_from_expr_frag { ($abi:expr) => { extern $abi { fn _import(); } extern $abi fn _export() {} type _PTR = extern $abi fn(); }; } mod rust { abi_from_lit_frag!("Rust"); } mod c { abi_from_lit_frag!("C"); } mod rust_expr { abi_from_expr_frag!("Rust"); } mod c_expr { abi_from_expr_frag!("C"); }