On Tue, 28 Sept 2021 at 04:13, Chris Smith <smi...@gmail.com> wrote:
> I would like to emulate something like this with Basic objects. I am
> drawing a blank on how that might be done. Does anyone have any ideas?
> >>> f=lambda x: x==1
> >>> f(1)
> True
> >>> Lambda(x, f(x))(1) # doesn't work
> False
>
Something like this:
In [7]: cat w.py
class SymbolicEquality:
def __init__(self, sym):
self.sym = sym
def __eq__(self, other):
return Equality(self.sym, other)
In [8]: f = lambda x: x == 1
In [9]: y = Dummy('y')
In [10]: F = Lambda(y, f(SymbolicEquality(y)))
In [11]: F
Out[11]: y ↦ y = 1
--
Oscar
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