lunar-lib 0.10.0

Common utilities for lunar applications
Documentation 
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pub trait IteratorExtensions: Iterator + Sized {
    fn try_map<U, E, F>(self, f: F) -> Result<impl Iterator<Item = U>, E>
    where
        F: FnMut(Self::Item) -> Result<U, E>,
    {
        Ok(self.map(f).collect::<Result<Vec<U>, E>>()?.into_iter())
    }

    fn to_vec(self) -> Vec<Self::Item> {
        self.collect()
    }

    fn try_to_vec<T, E>(self) -> Result<Vec<T>, E>
    where
        Self: Iterator<Item = Result<T, E>>,
    {
        self.collect()
    }
}

impl<I: Iterator + Sized> IteratorExtensions for I {}

pub trait IntoIteratorExtensions: Iterator + Sized {
    fn join_to_string(self, sep: impl AsRef<str>) -> String
    where
        Self::Item: ToString,
    {
        self.into_iter()
            .map(|t| t.to_string())
            .to_vec()
            .join(sep.as_ref())
    }
}

impl<I: Iterator + Sized> IntoIteratorExtensions for I {}