[Python-ideas] The @update operator for dictionaries

[Anders Hovmöller]

> Thus, 'b' would be unchanged, and 'a' would be the same dictionary as
> before, but updated with 'b'.
> 
> I hope this helps.

It didn't. I feel just as confused as before. What does "iat" mean? Is "update" an arbitrary symbol (if so then you could have used "foo" instead of "update" to make it a lot clearer). And you didn't show before, after and equivalent functionality in current python. 

/ Anders