Function syntax::fold::noop_fold_opt_lifetime [−] [src]

pub fn noop_fold_opt_lifetime<T: Folder>(
    o_lt: Option<Lifetime>, 
    fld: &mut T
) -> Option<Lifetime>

🔬 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?

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