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Turns multiple compare into a function with proper temporaries.
>>> import gast as ast
>>> from pythran import passmanager, backend
>>> node = ast.parse("def foo(a): return 0 < a + 1 < 3")
>>> pm = passmanager.PassManager("test")
>>> _, node = pm.apply(NormalizeCompare, node)
>>> print(pm.dump(backend.Python, node))
def foo(a):
return foo_compare0(a)
def foo_compare0(a):
$1 = (a + 1)
if (0 < $1):
pass
else:
return builtins.False
if ($1 < 3):
pass
else:
return builtins.False
return builtins.True
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