I would like to do this in Cython:
sage: class Fruit(object):
....: @staticmethod
....: def yo(a):
....: return a
....: def using_yo(self, a):
....: return self.yo(a)
sage: f = Fruit()
sage: f.using_yo(1)
1
But it does not work (why?) :
sage: cython("""
sage: cdef class Fruit(object):
....: @staticmethod
....: cdef yo(a):
....: return a
....: def using_yo(self, a):
....: return self.yo(a)
sage: """)
RuntimeError: Error converting tmp_PUV0E1.spyx to C:
Error compiling Cython file:
------------------------------------------------------------
...
cdef class Fruit(object):
@staticmethod
cdef yo(a):
return a
def using_yo(self, a):
return self.yo(a)
^
------------------------------------------------------------
_9165_tmp_PUV0E1_spyx_0.pyx:12:22: Cannot call a static method on an
instance variable.
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