Christoph Hermann

adds fromArray

3

This adds `Lens/PartialLens.fromArray`. It works with `arrayLens` and `objectLens`. ``` js objectLens('location').andThen(objectLens('numbers')).andThen(arrayLens(0)) // === Lens.fromArray(['location', 'numbers', 0]) ``` How do you like it? Do you want me to change anything?...

depend on fantasy-combinators

2

^^

add mconcat/concat

1

See https://github.com/fantasyland/fantasy-monoids/pull/10/files#diff-c07e20a2465c8bd1c3c7de6c4ceda68eR3

The currently published version of `fantasy-combinators` has a bug: ``` diff // S combinator function substitution(f) { return function(g) { return function(x) { - f(x)(g(x)); + return f(x)(g(x)); }; };...