[BUG] Default arguments are not supported with Dispatch (regression from 0.2.5)

This was working in 0.2.5,

import plum
from plum import dispatch

@dispatch
def test(a:int, b: int = 1):
	print('int, int')

@dispatch
def test(a:float, b: int = 1):
	print('float, int')

In [33]: 

In [33]: test(1,1)
---------------------------------------------------------------------------
NotFoundLookupError                       Traceback (most recent call last)
<ipython-input-33-9b86683066a3> in <module>
----> 1 test(1,1)

~/Documents/pythonenvs/netket_env/lib64/python3.8/site-packages/plum/function.cpython-38-x86_64-linux-gnu.so in plum.function.Function.__call__()

~/Documents/pythonenvs/netket_env/lib64/python3.8/site-packages/plum/function.cpython-38-x86_64-linux-gnu.so in plum.function.Function.resolve_method()

~/Documents/pythonenvs/netket_env/lib64/python3.8/site-packages/plum/function.cpython-38-x86_64-linux-gnu.so in plum.function.Function.resolve_signature()

NotFoundLookupError: For function "test", signature Signature(builtins.int, builtins.int) could not be resolved.

In [34]: test(1)
int, int

[wesselb]

You’re right. That seems like a relatively easy and handy feature. Actual keyword arguments should then be specified using *:

from plum import dispatch

@dispatch
def test(a: int, b_with_default:int = 3, *, c_kw_only = 4):
   pass

[wesselb]

Hey guys!

Just letting you know that I’m a little busy at the moment, but I hope to get to this in the near future.