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harupy 2023-01-22 00:06:52 +09:00
parent d83e3ee8cd
commit c157dff454
1 changed files with 3 additions and 2 deletions
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5
ast/asdl_rs.py
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@ -241,8 +241,9 @@ class StructVisitor(TypeInfoEmitVisitor):
if fieldtype and fieldtype.boxed and (not (parent.product or field.seq) or field.opt): if fieldtype and fieldtype.boxed and (not (parent.product or field.seq) or field.opt):
typ = f"Box<{typ}>" typ = f"Box<{typ}>"
if field.opt or ( if field.opt or (
# Add `Option` to allow `Dict.keys` to contain `None` for dictionary unpacking # When a dictionary literal contains dictionary unpacking (e.g., `{**d}`),
# in a dict literal. # the expression to be unpacked goes in `values` with a `None` at the corresponding
# position in `keys`. To handle this, the type of `keys` needs to be `Option<Vec<T>>`.
constructor == "Dict" and field.name == "keys" constructor == "Dict" and field.name == "keys"
): ):
typ = f"Option<{typ}>" typ = f"Option<{typ}>"