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add Iterable traits #397

@rust-highfive

Description

@rust-highfive

Issue by thestinger
Friday Jul 05, 2013 at 02:59 GMT

For earlier discussion, see rust-lang/rust#7597

This issue was labelled with: A-libs, A-traits, I-enhancement in the Rust repository


Something like the following:

trait Iterable<'self, A, T: Iterator<&'self A>> {
    fn iter(&'self self) -> T;
}

trait ReverseIterable<'self, A, T: Iterator<&'self A>> {
    fn rev_iter(&'self self) -> T;
}

trait MutableIterable<'self, A, T: Iterator<&'self mut A>> {
    fn mut_iter(&'self mut self) -> T;
}

trait MutableReverseIterable<'self, A, T: Iterator<&'self mut A>> {
    fn mut_rev_iter(&'self mut self) -> T;
}

In the future we can define default methods like enumerate when method resolve is fixed. #5898

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