macro_rules! cfg_feature {
($feature:literal, $($item:item)*) => {
$(
#[cfg(feature = $feature)]
#[cfg_attr(docsrs, doc(cfg(feature = $feature)))]
$item
)*
}
}
macro_rules! cfg_substrate_compat {
($($item:item)*) => {
crate::macros::cfg_feature!("substrate-compat", $($item)*);
};
}
macro_rules! impl_from {
($module_path:path => $delegate_ty:ident :: $variant:ident) => {
impl From<$module_path> for $delegate_ty {
fn from(val: $module_path) -> Self {
$delegate_ty::$variant(val.into())
}
}
};
}
pub(crate) use {cfg_feature, cfg_substrate_compat};