[Guido]
> Gah! You are overthinking it. This idea is only worth it if it's dead
> simple, and the version that Eric posted to start this thread, where !d
> uses the repr() of the expression, is the only one simple enough to bother
> implementing.
>
In that case, I have no real use for it, for reasons already explained (I
rarely want the repr, and already have lots of code that tediously repeats
the
EXPR {EXPR:FMT}
pattern inside f-strings). Even for displaying integers, where you might
_assume_ I'd be happy with the repr, I'm often not:
print(f"nballs {nballs:,} into nbins {nbins:,}")
is one I just happened to write today. Without comma formatting, the
output is much harder to read.
Note that transforming
{EXPR!d:FMT}
into
EXPR={repr(EXPR):FMT}
is actually slightly more involved than transforming it into
EXPR={EXPR:FMT}
so I don't buy the argument that the original idea is simpler. More
magical and less useful, yes ;-)
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