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//! Private macro used for error handling.
/// Logs an error, ignores an `Ok` value.
macro_rules! log_if_err {
($x:expr) => {
let closure = || {
try_else_return!($x);
};
closure();
};
}
/// Matches a result, returning the `Ok` value in case of success,
/// exits the calling function otherwise.
/// A closure which returns the return value for the function can
/// be passed as second parameter.
macro_rules! try_else_return {
($x:expr) => {
try_else_return!($x, || {})
};
($x:expr, $el:expr) => {
match $x {
Ok(x) => x,
Err(e) => {
crate::error::log_error(&e);
let closure = $el;
return closure();
}
}
};
}
/// Print an error message to stdout. Format is the same as println! or format!
macro_rules! error {
($($arg:tt)*) => (
println!("Criterion.rs ERROR: {}", &format!($($arg)*))
)
}
/// Print a debug message to stdout. Format is the same as println! or format!
macro_rules! info {
($($arg:tt)*) => (
if $crate::debug_enabled() {
println!("Criterion.rs DEBUG: {}", &format!($($arg)*))
}
)
}
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