macro_rules! EnumLiftImpl {
(impl<$($p:tt),*> Lift<$tcx:tt> for $s:path {
type Lifted = $lifted:ty;
$($variants:tt)*
} $(where $($wc:tt)*)*) => { ... };
(@Variants($this:expr, $tcx:expr) input() output($($output:tt)*)) => { ... };
(@Variants($this:expr, $tcx:expr)
input( ($variant:path) ( $($variant_arg:ident),* ) , $($input:tt)*)
output( $($output:tt)*) ) => { ... };
(@Variants($this:expr, $tcx:expr)
input( ($variant:path), $($input:tt)*)
output( $($output:tt)*) ) => { ... };
}
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?