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Location: CSY/reowolf/src/macros.rs - annotation
5c858bc28930
653 B
application/rls-services+xml
incremental setup procedure in progress
91c57e99c66e 91c57e99c66e 91c57e99c66e 91c57e99c66e 91c57e99c66e 91c57e99c66e 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 06f259bf8031 | macro_rules! log {
($logger:expr, $($arg:tt)*) => {{
use std::fmt::Write;
writeln!($logger, $($arg)*).unwrap();
}};
}
macro_rules! assert_let {
($pat:pat = $expr:expr => $work:expr) => {
if let $pat = $expr {
$work
} else {
panic!("assert_let failed");
}
};
}
#[test]
fn assert_let() {
let x = Some(5);
let z = assert_let![Some(y) = x => {
println!("{:?}", y);
3
}];
println!("{:?}", z);
}
#[test]
#[should_panic]
fn must_let_panic() {
let x: Option<u32> = None;
assert_let![Some(y) = x => {
println!("{:?}", y);
}];
}
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