INNER CODE UNIT · Rust

map_or_else

fishfolk/bones · framework_crates/bones_asset/src/lib.rs:239

    pub fn map_or_else<U, D: FnOnce() -> U, F: FnOnce(T) -> U>(self, default: D, f: F) -> U {
        self.option().map_or_else(default, f)
    }

    /// Returns the contained `Set` value or a default.
    #[inline]
    pub fn unwrap_or_default(self) -> T
    where
        T: Default,
    {
        self.option().unwrap_or_default()
    }

    /// Transforms the `Maybe<T>` into a `Result<T, E>`, mapping `Set(v)` to `Ok(v)` and `Unset` to `Err(err)`.
    #[inline]
    pub fn ok_or<E>(self, err: E) -> Result<T, E> {
        self.option().ok_or(err)
    }

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