def match(self, other):
typecheck(other, Units)
if self is not other:
raise Units.Mismatch(
'Units mismatch: {!r} vs {!r}',
str(self),
str(other),
)
def __init__(self, spec, units=None):
if units is None:
(spec, units) = _parse_value(spec)
typecheck(spec, Decimal)
typecheck(units, Units)
self.amount = spec
self.units = units
def __div__(self, other):
typecheck(other, Value)
return Value(self.amount / other.amount, self.units / other.units)
def __mul__(self, other):
typecheck(other, Value)
return Value(self.amount * other.amount, self.units * other.units)
def __init__(self, decimal, units):
typecheck(decimal, Decimal)
typecheck(units, Units)
self.amount = decimal
self.units = units
def m(self, other):
typecheck(other, Value)
self.units.match(other.units)
return method(self, other)
def test_ok(self):
typecheck(3, int)
def match(self, other):
typecheck(other, Units)
if self is not other:
raise UnitsMismatch(self, other)
