discussion: standard iterator interface · golang/go · Discussion #54245

This is a discussion that is intended to lead to a proposal. This was written with lots of input from @jba and @rsc. Background Most languages provide a standardized way to iterate over values stored in containers using an iterator interface (see the appendix below for a discussion of other languages). Go provides for range for use with maps, slices, strings, arrays, and channels, but it does not