Death of Reform

gistfile1.txt

gem "dry-validation"

require "dry-types"
module Types
  include Dry::Types.module
end


require 'dry/logic'
require 'dry/logic/predicates'

include Dry::Logic


bla = ->(*args) { raise args.inspect }
nilify_rule = Rule::Predicate.new( bla )
void_rule = Rule::Predicate.new( ->(value) { raise value.inspect; value+1 } )

_or = void_rule & nilify_rule

_or.(1)





  # is_format = Types::Strict::String.constrained(
  is_format = Rule::Predicate.new( Predicates[:format?] ).curry(
    /\d\d\.\d\d\.\d\d\d\d/
  )

bla = ->(*args) { raise args.inspect }

nilify = Dry::Types::Coercions::Form.method(:to_nil)
nilify_rule = Rule::Predicate.new( bla )

# puts nilify.("  ").inspect
# puts nilify.("").inspect

puts "@@@@@ #{nilify_rule.("").inspect}"

coercion = nilify_rule | is_format & Types::Form::DateTime



result = coercion.( "11.11.2019" )

puts "@@@@@ #{result.inspect}"

nilify | ( is_format & Types::Form::DateTime )
nilify | default | ( is_format & Types::Form::DateTime )

new.rb

x
  .read(:dob) # read nested fragment        Representable::Binding
   == "" ? .nilify : .DAtetime.( x)  # coercion, Dry::Types        # what if coercion fails?
  -> |domain, value| domain.date_of_birth = value

  validate(date_of_birth > 1981)

  model.date_of_birth = domain.date_of_birth      # ROM, Twin

defaults