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#[macro_export]
macro_rules! try_opt {
($task:expr) => {
match $task {
Some(v) => v,
None => return,
}
};
}
#[macro_export]
macro_rules! try_opt_or {
($task:expr, $ret:expr) => {
match $task {
Some(v) => v,
None => return $ret,
}
};
}
#[macro_export]
macro_rules! try_opt_warn_or {
($task:expr, $ret:expr, $msg:expr) => {
match $task {
Some(v) => v,
None => {
log::warn!($msg);
return $ret;
}
}
};
($task:expr, $ret:expr, $fmt:expr, $($arg:tt)*) => {
match $task {
Some(v) => v,
None => {
log::warn!($fmt, $($arg)*);
return $ret;
}
}
};
}