On 2018-09-17 15:44, Robert Bradshaw wrote:
One of the pain points in Cython is that one must explicitly annotate
non-object returning functions with except clauses. Would it be worth
trying to change the default here, making exception-suppressing opt-in
rather than opt-out?
Just to clarify things: are you proposing that the default would be
"except *"?
An alternative would be to give *warnings* for functions where
exceptions could occur but could not be propagated. For example, this
function is totally fine:
cdef int foo(int x):
return x
but this function would give a warning:
cdef int foo(x):
return x # implicit conversion Python -> int
and this should probably be a compile-time error:
cdef int foo(x):
raise NotImplementedError
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