Regarding the proposed Binray Literals Deprecation
Preetpal
preetpal.sohal at gmail.com
Sun Sep 18 21:56:40 UTC 2022
On Sunday, 18 September 2022 at 12:47:03 UTC, Don Allen wrote:
> On Sunday, 18 September 2022 at 04:26:45 UTC, Preetpal wrote:
>> On Sunday, 18 September 2022 at 01:55:35 UTC, Don Allen wrote:
>>> On Saturday, 17 September 2022 at 22:11:35 UTC, Preetpal
>>> wrote:
>>>> [...]
>>>
>>> Haskell does *not* have binary integer literals. See the 2010
>>> language report and
>>>
>>> ````
>>> Prelude> 0x10
>>> 16
>>> Prelude> 0o10
>>> 8
>>> Prelude> 0b10
>>>
>>> <interactive>:8:2: error: Variable not in scope: b10
>>> ````
>>
>> "The language extension BinaryLiterals adds support for
>> expressing integer literals". So you need to use a language
>> extension to use it.
>>
>> ```
>> ps at DESKTOP:~$ ghci
>> GHCi, version 8.8.4: https://www.haskell.org/ghc/ :? for help
>> Prelude> :set -XBinaryLiterals
>> Prelude> 0b0010
>> 2
>> Prelude>
>> ```
>
> An extension offered by one compiler, off by default, is not
> the same as inclusion in the official language definition. The
> official Haskell language does not include binary literals.
Well if you use that as your definition, you can technically
remove it off the list. The language extensions in Haskell are
probably candidates for the next official standard though.
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