rust/tests/ui/proc-macro/attr-stmt-expr-rpass.rs
2023-01-11 09:32:08 +00:00

37 lines
773 B
Rust

// run-pass
// aux-build:attr-stmt-expr-rpass.rs
#![feature(stmt_expr_attributes, proc_macro_hygiene)]
extern crate attr_stmt_expr_rpass as attr_stmt_expr;
use attr_stmt_expr::{expect_let, expect_print_stmt, expect_expr, expect_print_expr,
no_output, noop};
fn print_str(string: &'static str) {
// macros are handled a bit differently
#[expect_print_expr]
println!("{}", string)
}
fn main() {
#[expect_let]
let string = "Hello, world!";
#[expect_print_stmt]
println!("{}", string);
let _: () = {
#[no_output]
"Hello, world!"
};
let _: &'static str = #[noop] "Hello, world!";
let _: &'static str = {
#[noop] "Hello, world!"
};
#[expect_expr]
print_str("string")
}