Method as_extern

crates/wasmtime/src/runtime/values.rs:901–906

(&self)

    /// Returns `Some(Some(_))` if this `Ref` is a non-null `extern` reference.
    #[inline]
    pub fn as_extern(&self) -> Option<Option<&Rooted<ExternRef>>> {
        match self {
            Ref::Extern(e) => Some(e.as_ref()),
            _ => None,
        }
    }

    /// Get the underlying `extern` reference, panicking if this is a different
    /// kind of reference.