Trait macro_tools::iter::IterExt

pub trait IterExt: Iterator {
    // Required method
    fn map_result<F, RE, El>(self, f: F) -> Result<Vec<El>, RE>
       where Self: Sized + Clone,
             F: FnMut(Self::Item) -> Result<El, RE>,
             RE: Debug;
}

Extension of iterator.

Required Methods

fn map_result<F, RE, El>(self, f: F) -> Result<Vec<El>, RE>

where Self: Sized + Clone, F: FnMut(Self::Item) -> Result<El, RE>, RE: Debug,

Iterate each element and return core::Result::Err if any element is error.

Implementors

impl<Iterator> IterExt for Iterator

where Iterator: Iterator,