INNER CODE UNIT · Rust

or_else

fishfolk/bones · framework_crates/bones_asset/src/lib.rs:169

    pub fn or_else<F: FnOnce() -> Maybe<T>>(self, f: F) -> Maybe<T> {
        self.option().or_else(|| f().option()).into()
    }

    /// Returns `Set` if exactly one of `self`, `optb` is `Set`, otherwise returns `Unset`.
    #[inline]
    pub fn xor(self, optb: Maybe<T>) -> Maybe<T> {
        self.option().xor(optb.option()).into()
    }

    /// Inserts `v` into the option if it is `Unset`, then returns a mutable reference to the contained value.
    #[inline]
    pub fn get_or_insert(&mut self, v: T) -> &mut T {
        if let Maybe::Unset = self {
            *self = Maybe::Set(v);
        }
        match self {
            Maybe::Set(ref mut v) => v,

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