On 2016-08-17 12:24, Jussi Piitulainen wrote:
BartC writes:
On 17/08/2016 07:39, Steven D'Aprano wrote:
Rather than ask why Python uses `trueval if cond else falseval`, you
should ask why C uses `cond ? trueval : falseval`. Is that documented
anywhere?
I'm not fond of C's a ? b : c but the principle is sound. I generally
[- -]
Anyway a?b:c was existing practice. At least the order of a,b,c could
have been retained if not the exact syntax.
The original was (c1 -> e1, c2 -> e2, ..., cn -> en) in John McCarthy's
1960 paper on symbolic expressions, with an actual arrow glyph in place
of hyphen-greater-than.
[snip]
BCPL, the ancestor of C, had:
a -> b, c
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