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Add Option.bindLens function. #7
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In working with a lens that's returning an
'a option, and I would like to combine w/ a lens that isLens<'a, 'b option>, I found a need for an equivalent ofOption.mapLens, but for one that returns an option.This adds
Option.bindLens, but I'm not sure if this is really a perfect name for this function.Thoughts?