My ancient, half-finished R4RS Scheme number-formatting library is still
used by at least one program. When I moved that library to the Racket
new package system, I made an effort to deprecate it. But anyone
improving modern-day idiomatic Racket formatting might want to take a
quick peek at
Well, that was easy! As usual, can’t believe I didn’t know that was there.
Many thanks to all,
John
> On May 7, 2018, at 5:00 PM, Daniel Prager wrote:
>
> ~r works nicely:
>
> > (~r 1.237472387 #:precision 2)
> "1.24"
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~r works nicely:
> (~r 1.237472387 #:precision 2)
"1.24"
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I second ~r. It will round when given a precision.
> On May 7, 2018, at 18:56, Stephen Chang wrote:
>
> Oops, I didnt see the rounding.
>
> On Mon, May 7, 2018 at 7:53 PM, Ben Greenman
> wrote:
>> I use this:
>>
Oops, I didnt see the rounding.
On Mon, May 7, 2018 at 7:53 PM, Ben Greenman
wrote:
> I use this:
> http://docs.racket-lang.org/gtp-util/index.html#%28def._%28%28lib._gtp-util%2Fmain..rkt%29._rnd%29%29
>
> I didn't know about SRFI 54 --- looking forward to reading
~r
http://docs.racket-lang.org/reference/strings.html?q=~r#%28def._%28%28lib._racket%2Fformat..rkt%29._~7er%29%29
On Mon, May 7, 2018 at 7:46 PM, 'John Clements' via Racket Users
wrote:
> Okay, how many times have I written the function that accepts 1.237472387 and
I use this:
http://docs.racket-lang.org/gtp-util/index.html#%28def._%28%28lib._gtp-util%2Fmain..rkt%29._rnd%29%29
I didn't know about SRFI 54 --- looking forward to reading other responses.
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Okay, how many times have I written the function that accepts 1.237472387 and
returns “1.24” ? What do you folks use? I see that SRFI 54 covers this use
case, and a lot of others besides. Is this the most commonly used package for
formatting numbers?
John
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