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Versions: 14
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Stored size: 1.29 KB
Contents
# typed: true
# frozen_string_literal: true
return unless defined?(T::Props)
module Paquito
# To make a T::Struct class serializable, include Paquito::TypedStruct:
#
# class MyStruct < T::Struct
# include Paquito::TypedStruct
#
# prop :foo, String
# prop :bar, Integer
# end
#
# my_struct = MyStruct.new(foo: "foo", bar: 1)
# my_struct.as_pack
# => [26450, "foo", 1]
#
# MyStruct.from_pack([26450, "foo", 1])
# => <MyStruct bar=1, foo="foo">
#
module TypedStruct
extend T::Sig
include T::Props::Plugin
sig { returns(Array).checked(:never) }
def as_pack
decorator = self.class.decorator
props = decorator.props.keys
values = props.map { |prop| decorator.get(self, prop) }
[self.class.pack_digest, *values]
end
module ClassMethods
extend T::Sig
sig { params(packed: Array).returns(T.untyped).checked(:never) }
def from_pack(packed)
digest, *values = packed
if pack_digest != digest
raise(VersionMismatchError, "#{self} digests do not match")
end
new(**props.keys.zip(values).to_h)
end
sig { returns(Integer).checked(:never) }
def pack_digest
@pack_digest ||= Paquito::Struct.digest(props.keys)
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems