Sha256: 9640856560d7a878ad8ec63ff63c591e5ea3b9228b604e4277fba893ddade6d1
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Size: 648 Bytes
Versions: 190
Compression:
Stored size: 648 Bytes
Contents
# frozen_string_literal: true
require 'eac_ruby_utils/common_concern/module_setup'
module EacRubyUtils
class CompareBy
attr_reader :fields
def initialize(fields)
@fields = fields
end
def apply(klass)
pself = self
klass.include(::Comparable)
%i[<=> eql?].each do |cmp_method|
klass.define_method(cmp_method) do |other|
pself.object_values(self).send(cmp_method, pself.object_values(other))
end
end
klass.define_method(:hash) { pself.object_values(self).hash }
end
def object_values(object)
fields.map { |field| object.send(field) }
end
end
end
Version data entries
190 entries across 190 versions & 3 rubygems