Sha256: 0b53a3aa222c05baa6b233fa8b8e2250434c25f7ad82bc21e6cc7948f44195fe
Contents?: true
Size: 1.39 KB
Versions: 7
Compression:
Stored size: 1.39 KB
Contents
# frozen_string_literal: true
class ReeMapper::Rational < ReeMapper::AbstractType
contract(Any, Kwargs[name: String, location: Nilor[String]] => Rational).throws(ReeMapper::TypeError)
def serialize(value, name:, location: nil)
if value.is_a?(Rational)
value
else
raise ReeMapper::TypeError.new("`#{name}` should be a rational, got `#{truncate(value.inspect)}`", location)
end
end
contract(Any, Kwargs[name: String, location: Nilor[String]] => Rational).throws(ReeMapper::CoercionError, ReeMapper::TypeError)
def cast(value, name:, location: nil)
if value.is_a?(Rational)
value
elsif value.is_a?(String)
begin
Rational(value)
rescue ArgumentError, ZeroDivisionError => e
raise ReeMapper::CoercionError.new("`#{name}` is invalid rational, got `#{truncate(value.inspect)}`", location)
end
elsif value.is_a?(Numeric)
Rational(value)
else
raise ReeMapper::TypeError.new("`#{name}` should be a rational, got `#{truncate(value.inspect)}`", location)
end
end
contract(Any, Kwargs[name: String, location: Nilor[String]] => String)
def db_dump(value, name:, location: nil)
serialize(value, name: name, location: location).to_s
end
contract(Any, Kwargs[name: String, location: Nilor[String]] => Rational)
def db_load(value, name:, location: nil)
cast(value, name: name, location: location)
end
end
Version data entries
7 entries across 7 versions & 1 rubygems