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#[macro_export]
macro_rules! err {
($kind:path, $msg:expr) => {
$crate::error::Error::new($crate::error::Context::new($kind), Some($msg.to_string()))
};
($kind:path, $fmt:expr, $($arg:tt)+) => {
err!($kind, &format!($fmt, $($arg)+))
};
}
#[macro_export]
macro_rules! fail {
($kind:path, $msg:expr) => {
return Err(err!($kind, $msg).into());
};
($kind:path, $fmt:expr, $($arg:tt)+) => {
fail!($kind, &format!($fmt, $($arg)+));
};
}
#[macro_export]
macro_rules! ensure {
($cond:expr, $kind:path, $msg:expr) => {
if !($cond) {
return Err(err!($kind, $msg).into());
}
};
($cond:expr, $kind:path, $fmt:expr, $($arg:tt)+) => {
ensure!($cond, $kind, format!($fmt, $($arg)+))
};
}
#[macro_export]
macro_rules! fatal {
($app:expr, $msg:expr) => {
fatal_error!($app, ::failure::err_msg($smg))
};
($app:expr, $fmt:expr, $($arg:tt)+) => {
fatal!($app, format!($fmt, $($arg:tt)+))
};
}
#[macro_export]
macro_rules! fatal_error {
($app:expr, $err:expr) => {{
let err: ::failure::Error = $err.into();
$crate::application::exit::fatal_error($app, &err)
}};
}