fn try_map Result, E>()

in gazebo/src/ext/vec.rs [66:89]

• 13 lines of code
• 1 McCabe index (conditional complexity)

    fn try_map<'a, B, E, F>(&'a self, f: F) -> Result<Vec<B>, E>
    where
        F: FnMut(&'a Self::Item) -> Result<B, E>;

    /// Take ownership of each item in the vector using `to_owned`. For example:
    ///
    /// ```
    /// use gazebo::prelude::*;
    /// let xs: &[&str] = &["hello", "world"];
    /// let ys: Vec<String> = xs.owned();
    /// ```
    fn owned<'a, T, R>(&'a self) -> Vec<R>
    where
        // Important constraints are:
        // * Self::Item == &'a T
        // * Borrow<T> == R
        Self::Item: TEq<&'a T>,
        R: Borrow<T>,
        T: ToOwned<Owned = R>,
        T: 'a,
        T: ?Sized,
    {
        self.map(|x| (*x.teq_ref()).to_owned())
    }