April 17, 2018
4:51 p.m.
On 2018-04-17 22:53, Terry Reedy wrote:
On 4/17/2018 3:46 AM, Chris Angelico wrote: [snip]
Augmented assignment is not supported in expression form::
>>> x +:= 1 File "<stdin>", line 1 x +:= 1 ^ SyntaxError: invalid syntax
I would have expected :+=, but agree with the omission.
x = x op 1 is abbreviated to x op= 1, so x := x op 1 would be abbreviated to x op:= 1. That's what's used in the Icon language. [snip]