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Scope and Trace composition #2

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baweaver opened this issue Apr 23, 2018 · 0 comments

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baweaver commented Apr 23, 2018

Heard mention of lenses being composable (yes yes, my Haskell isn't great) so what if we did that here too?

age_scope = Xf.scope(:age)
name_scope = Xf.scope(:name)
age_and_name_scope = Xf.compose(age_scope, name_scope)

people.map(&age_and_name_scope.get)

This probably ties into some thinking around Evolve in #1, so we'll see how that goes too.

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