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As an example I specifically need them in type/definition.py to correctly narrow down the types in a codegen tool. In the meantime I've reimplemented these functions:
def is_required_type(t: Any) -> TypeGuard[GraphQLNonNull]:
return isinstance(t, GraphQLNonNull)
def is_list_type(t: Any) -> TypeGuard[GraphQLList]:
return isinstance(t, GraphQLList)
def is_wrapping_type(t: Any) -> TypeGuard[GraphQLWrappingType]:
return isinstance(t, GraphQLWrappingType)
def is_scalar_type(t: Any) -> TypeGuard[GraphQLScalarType]:
return isinstance(t, GraphQLScalarType)
def is_input_object_type(t: Any) -> TypeGuard[GraphQLInputObjectType]:
return isinstance(t, GraphQLInputObjectType)
def is_object_type(t: Any) -> TypeGuard[GraphQLObjectType]:
return isinstance(t, GraphQLObjectType)I thought the isinstance would be enough for the type checker to infer in these cases but if the return type is bool in these functions they're not narrowed.
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