module RecordLens

Public Class Methods

build(attribute_name) click to toggle source
# File lib/ruby-optics/record/record_lens.rb, line 4
def self.build(attribute_name)
  Lens.new(
    -> (record) { record.send(attribute_name) },
    -> (new_attr_value, record) {
      record.copy_with(attribute_name => new_attr_value)
    }
  )
end