rust/src/test/ui/macros/trace_faulty_macros.rs
2018-12-25 21:08:33 -07:00

45 lines
687 B
Rust

// compile-flags: -Z trace-macros
#![recursion_limit="4"]
macro_rules! my_faulty_macro {
() => {
my_faulty_macro!(bcd); //~ ERROR no rules
};
}
macro_rules! pat_macro {
() => {
pat_macro!(A{a:a, b:0, c:_, ..});
};
($a:pat) => {
$a
};
}
macro_rules! my_recursive_macro {
() => {
my_recursive_macro!(); //~ ERROR recursion limit
};
}
macro_rules! my_macro {
() => {
};
}
fn main() {
my_faulty_macro!();
my_recursive_macro!();
test!();
non_exisiting!();
derive!(Debug);
let a = pat_macro!();
}
#[my_macro]
fn use_bang_macro_as_attr(){}
#[derive(Debug)]
fn use_derive_macro_as_attr(){}