Function rustc::ty::instance::needs_fn_once_adapter_shim [−][src]
fn needs_fn_once_adapter_shim<'a, 'tcx>(
actual_closure_kind: ClosureKind,
trait_closure_kind: ClosureKind
) -> Result<bool, ()>
🔬 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?