Function syntax_ext::deriving::debug::show_substructure [−][src]
fn show_substructure(
cx: &mut ExtCtxt,
span: Span,
substr: &Substructure
) -> P<Expr>
🔬 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?
We use the debug builders to do the heavy lifting here