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fix: #408

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This commit is contained in:
Shunsuke Shibayama 2023-03-07 09:49:59 +09:00
parent f7fb06e10a
commit c5848db951
5 changed files with 47 additions and 5 deletions
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4
crates/erg_compiler/lib/std/_erg_nat.py
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@ -25,6 +25,8 @@ class Nat(Int):
return then__(super().__add__(other), Nat)
def __mul__(self, other):
return then__(super().__mul__(other), Nat)
def __pos__(self):
return self
class NatMut(IntMut): # and Nat
value: Nat
@ -90,6 +92,8 @@ class NatMut(IntMut): # and Nat
return NatMut(self.value ** other)
else:
return NatMut(self.value ** other.value)
def __pos__(self):
return self
def try_new(i): # -> Result[Nat]
if i >= 0:
return NatMut(i)