Development Version

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Version 0.4.1 (20161029)

Fix handling of null targets

Version 0.4.0 (20161029)

Lenses and placeholder selectors are now functions:

[{x: 1}, {x: 2}].map(_.x) // [1, 2]

const xy = lens(_.x.y)
xy({x: {y: 1}}) // 1

Version 0.3.2 (20161027)

Simplified untyped syntax: lens(_.x) instead of lens(_ => _.x). The _ object is "placeholder selector" proxy.

Version 0.3.1 (20161026)

Fixed .set (wasn't preserving original properties of objects)
Added basic support for Immutable.Map (uses its .setIn, .updateIn methods)

Version 0.3.0 (20161026)

Better naming: update becomes set, introduced an update method that takes an updater function.

Version 0.2.0 (20161023)

Added support for nested structures: lens(_ => [_.x, {a: _.y, b: _.z}])

Version 0.1.9 (20161020)

First basic usable milestone.