Module rustc::util::captures [] [src]

🔬 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?

Traits

Captures [
Experimental
]

"Signaling" trait used in impl trait to tag lifetimes that you may need to capture but don't really need for other reasons. Basically a workaround; see this comment for details.