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Location: CSY/reowolf/src/macros.rs - annotation
3da401203200
653 B
application/rls-services+xml
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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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