//
// Process viewer
//
// Copyright (c) 2019 Guillaume Gomez
//
#[macro_export]
macro_rules! clone {
(@param _) => ( _ );
(@param $x:ident) => ( $x );
($($n:ident),+ => move || $body:expr) => (
{
$( let $n = $n.clone(); )+
move || $body
}
);
($($n:ident),+ => move |$($p:tt),+| $body:expr) => (
{
$( let $n = $n.clone(); )+
move |$(clone!(@param $p),)+| $body
}
);
}
// Macro for upgrading a weak reference or returning the given value
//
// This works for glib/gtk objects as well as anything else providing an upgrade method
#[macro_export]
macro_rules! upgrade_weak {
($x:ident, $r:expr) => {{
match $x.upgrade() {
Some(o) => o,
None => return $r,
}
}};
($x:ident) => {
upgrade_weak!($x, ())
};
}