Update Ref to support initialization and assign optional value #5325
+5
−5
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Description
Support initialize
Ref
with value directly, and allow re-assignNone
for intent clarify if needed.Example code
In some scenarios, one control was created without known ref or the ref unavailable, but will be referenced in future.
It is more concise to direct initialize a ref with value rather than in a separate assignment statement.
Type of change
TypeError: cannot create weak reference to 'NoneType' object
when passing None to setter.Summary by Sourcery
Enable direct Ref initialization with a value and optional None assignment to explicitly clear the reference
New Features: