Sha256: c58d9fc982a9ec89b83b38eb95c7f89e4241a544a3054d3d9d90a050c0ec6541
Contents?: true
Size: 1.18 KB
Versions: 14
Compression:
Stored size: 1.18 KB
Contents
module Shamu
module Attributes
# Override equality methods to support shallow comparison of attribute
# values for equality.
#
# Add `ignore_inequality: true` to any {Attributes::DSL#attribute} that
# shouldn't be included in equalty comparisons.
module Equality
# @param [Attributes] other object to compare with.
# @return [Boolean] true if the two objects are of the same type and
# attributes are all eql? to each other.
def ==( other )
return false unless other.is_a?( self.class ) || is_a?( other.class )
attributes_eql?( other )
end
alias_method :eql?, :==
# @return [Integer] a hash computed from the attributes of the object.
def hash
self.class.attributes.map do |key, _|
send( key )
end.hash
end
private
# @return [Boolean] true if the object's attributes and `other`
# attributes are all `eql?` to each other.
def attributes_eql?( other )
self.class.attributes.all? do |key, attr|
next true if attr[:ignore_inequality]
send( key ).eql?( other.send( key ) )
end
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems