
Feb. 28, 2019
9:19 p.m.
Serhiy Storchaka wrote:
I do not understand why we discuss a new syntax for dict merging if we already have a syntax for dict merging: {**d1, **d2} (which works with *all* mappings).
But that always returns a dict. A '+' operator could be implemented by other mapping types to return a mapping of the same type. -- Greg