On 9/14/19 10:34 AM, Markus Armbruster wrote:
> We represent the parse tree as OrderedDict. We fetch optional dict
> members with .get(). So far, so good.
>
> We represent null literals as None. .get() returns None both for
> "absent" and for "present, value is the null literal". Uh-oh.
>
> T
We represent the parse tree as OrderedDict. We fetch optional dict
members with .get(). So far, so good.
We represent null literals as None. .get() returns None both for
"absent" and for "present, value is the null literal". Uh-oh.
Test features-if-invalid exposes this bug: "'if': null" is
mi
