Macro syntax::unwrap_or [] [src]

macro_rules! unwrap_or {
    ($opt:expr, $default: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?