Macro rustc::EnumTypeFoldableImpl [−] [src]

macro_rules! EnumTypeFoldableImpl {
    (impl<$($p:tt),*> TypeFoldable<$tcx:tt> for $s:path {
        $(
            ($variant:path) ( $( $variant_arg:ident),* )
        ),*
        $(,)*
    } $(where $($wc: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?