fn into_map()

in gazebo/src/ext/vec.rs [269:288]

• 8 lines of code
• 2 McCabe index (conditional complexity)

    fn into_map<B, F>(self, f: F) -> Vec<B>
    where
        F: FnMut(Self::Item) -> B;

    /// A shorthand for `into_iter().map(f).collect::<Result<Vec<_>, _>>()`. For example:
    ///
    /// ```
    /// use gazebo::prelude::*;
    /// assert_eq!(vec![1,2,3].into_try_map(|x| Ok(x*x)), Ok::<_, bool>(vec![1,4,9]));
    /// assert_eq!(vec![1,2,-3].into_try_map(|x| if x > 0 { Ok(x*x) } else { Err(false) }), Err(false));
    /// ```
    ///
    /// This function will be generalised to [`Try`](std::ops::Try) once it has been
    /// standardised.
    fn into_try_map<B, E, F>(self, f: F) -> Result<Vec<B>, E>
    where
        F: FnMut(Self::Item) -> Result<B, E>;
}

impl<T> VecExt for Vec<T> {