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It is possible to append an arbitary number of quote symbols
at the end of an prefix/infix/mixfix operator:
applied form standalone form
-' 42 (-'_)
x +' y (+')
a[0]' <- 1 ([]'<-)
Pretty-printing will use the quote symbols for disambiguation.
The derived symbols can be produced by Why3 by appending
a suffix of the form "_toto" or "'toto". These symbols can
be parsed/printed as "(+)_toto" or "(+)'toto", respectively.
A plugin to verify programs written in a (microscopic) fragment of Python. Limitations wrt Python: - types are limited to integers and lists of integers - a list is not resizable (i.e. it is a mere array) - a function must return an integer or nothing