[−][src]Function syntax::ext::tt::macro_rules::check_matcher
fn check_matcher(
sess: &ParseSess,
features: &Features,
attrs: &[Attribute],
matcher: &[TokenTree]
) -> 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?