Function syntax::fold::noop_fold_struct_field [] [src]

pub fn noop_fold_struct_field<T: Folder>(
    f: StructField,
    fld: &mut T
) -> StructField
🔬 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?