9d55380b5a
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
misinterpreted as absent "if".
We added null to the schema language to "allow [...] an explicit
default value" (commit
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.. | ||
__init__.py | ||
commands.py | ||
common.py | ||
doc.py | ||
events.py | ||
introspect.py | ||
types.py | ||
visit.py |