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#[macro_export]
macro_rules! bail {
($msg:literal $(,)?) => {
return $crate::private::Err($crate::format_err!($msg));
};
($err:expr $(,)?) => {
return $crate::private::Err($crate::format_err!($err));
};
($fmt:expr, $($arg:tt)*) => {
return $crate::private::Err($crate::format_err!($fmt, $($arg)*));
};
}
#[macro_export]
macro_rules! ensure {
($cond:expr, $msg:literal $(,)?) => {
if !$cond {
return $crate::private::Err($crate::format_err!($msg));
}
};
($cond:expr, $err:expr $(,)?) => {
if !$cond {
return $crate::private::Err($crate::format_err!($err));
}
};
($cond:expr, $fmt:expr, $($arg:tt)*) => {
if !$cond {
return $crate::private::Err($crate::format_err!($fmt, $($arg)*));
}
};
}
#[macro_export]
macro_rules! ensure_eq {
($left:expr, $right:expr, $msg:literal $(,)?) => {
if $left != $right {
return $crate::private::Err($crate::format_err!($msg));
}
};
($left:expr, $right:expr, $err:expr $(,)?) => {
if $left != $right {
return $crate::private::Err($crate::format_err!($err));
}
};
($left:expr, $right:expr, $fmt:expr, $($arg:tt)*) => {
if $left != $right {
return $crate::private::Err($crate::format_err!($fmt, $($arg)*));
}
};
}
#[macro_export]
macro_rules! format_err {
($msg:literal $(,)?) => {
$crate::private::new_adhoc($msg)
};
($err:expr $(,)?) => ({
let error = $err;
Error::new_adhoc(error)
});
($fmt:expr, $($arg:tt)*) => {
$crate::private::new_adhoc(format!($fmt, $($arg)*))
};
}