A more "old-school" version of visit. Provided both to conform style of existing code and avoid delegate bugs in dmd1.
Discouraged by default as more error-prone than visit.
will be set to content of this if defined, will remain unchanged otherwise
Return: true if this is defined and value was updated.
See Implementation
A more "old-school" version of visit. Provided both to conform style of existing code and avoid delegate bugs in dmd1.
Discouraged by default as more error-prone than visit.