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@ b433d016e796
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Location: CSY/reowolf/src/macros.rs - annotation
b433d016e796
653 B
application/rls-services+xml
playing around with new predicate=>state,payload storages. toward faster querying but also toward deviation detection by way of intelligible error handling
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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