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Location: CSY/reowolf/src/macros.rs - annotation
4c844c3751d1
653 B
application/rls-services+xml
imposed a standard set of component defs. this approach is simple but temporary
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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