Sha256: 137b817d61479b8aacd40ba594b40dec02d53ae64ba3834d7b0982a049b2827a
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Size: 1.26 KB
Versions: 15
Compression:
Stored size: 1.26 KB
Contents
# frozen_string_literal: true
class ReeMapper::Rational < ReeMapper::AbstractType
contract(Any, Kwargs[name: String, role: Nilor[Symbol, ArrayOf[Symbol]]] => Rational).throws(ReeMapper::TypeError)
def serialize(value, name:, role: nil)
if value.is_a?(Rational)
value
else
raise ReeMapper::TypeError, "`#{name}` should be a rational"
end
end
contract(Any, Kwargs[name: String, role: Nilor[Symbol, ArrayOf[Symbol]]] => Rational).throws(ReeMapper::CoercionError, ReeMapper::TypeError)
def cast(value, name:, role: nil)
if value.is_a?(Rational)
value
elsif value.is_a?(String)
begin
Rational(value)
rescue ArgumentError, ZeroDivisionError => e
raise ReeMapper::CoercionError, "`#{name}` is invalid rational"
end
elsif value.is_a?(Numeric)
Rational(value)
else
raise ReeMapper::TypeError, "`#{name}` should be a rational"
end
end
contract(Any, Kwargs[name: String, role: Nilor[Symbol, ArrayOf[Symbol]]] => String)
def db_dump(value, name:, role: nil)
serialize(value, name: name, role: role).to_s
end
contract(Any, Kwargs[name: String, role: Nilor[Symbol, ArrayOf[Symbol]]] => Rational)
def db_load(value, name:, role: nil)
cast(value, name: name, role: role)
end
end
Version data entries
15 entries across 15 versions & 1 rubygems