- This repository is archived
- No longer maintained
- All versions have been yanked from https://rubygems.org for releasing valuable namespace for others
Validations with Ruby objects.
Require Ruby 2.7 or later
require 'validation'
class Person
include Validation
attr_accessor_with_validation :id, OR(nil, AND(Integer, 1..100))
attr_accessor_with_validation :name, AND(String, /Ken/)
attr_accessor_with_validation :age, AND(Integer, 12..125), &:to_i
end
person = Person.new
person.id #=> nil
person.name #=> Error (nil is not String)
person.id = 200 #=> Error (200 is not covered by `1..100`)
person.id = 42
person.id #=> 42
person.name = :Ken #=> Error (Symbol is not String)
person.name = 'John' #=> Error ("John" is not matched to `/Ken/`)
person.name = 'Ken'
person.name #=> "Ken"
person.age = 11.9 #=> Error ( `11.9` adjusting to `11` with `(11.9).to_i`, but it is not covered by `12..125`)
person.age = 12.9
person.age #=> 12The pattern builder DSL is just using eqq