Re: call for more ert tests

[Stefan Monnier <monnier@iro.umontreal.ca>]

>>> One thing that would help with that is to allow structural pattern
>>> matching.  For example, say I have a function `foo` which returns a list
>>> '(a b c), but all I care about is that `b` is `b`.  Then I could write:
>>> 
>>> (shouldBe (foo) '(_ b _))
>>> 
>>> `shouldBe` then raises an exception if the pattern fails to match.

>> Use pcase?

> pcase does not imply an assertion of equality, which the above does.  I'm not
> capturing the second element of the list in a variable named 'b', I'm
> asserting that the second element is equal to the symbol 'b'.

I think he means that it should be easy to make a shouldbe-pcase macro
that provides this kind of behavior using using pcase (the pattern
would look like `(,_ b ,_) instead of the one you wrote).


        Stefan