On 04/03/2019 15:12, James Lu wrote:

On Mar 4, 2019, at 10:02 AM, Stefan Behnel <stefan...@behnel.de> wrote:

INADA Naoki schrieb am 04.03.19 um 11:15:
Why statement is not enough?

I'm not sure I understand why you're asking this, but a statement is "not
enough" because it's a statement and not an expression. It does not replace
the convenience of an expression.

Stefan
There is already an expression for key-overriding merge. Why do we need a new 
one?

Because the existing one is inobvious, hard to discover and ugly.

--
Rhodri James *-* Kynesim Ltd
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