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Re: Pre-RFC Deep constants

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"Ruud H.G. van Tol" via perl5-porters
March 13, 2023 10:03
Re: Pre-RFC Deep constants
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On 2023-03-10 10:24, Ruud H.G. van Tol wrote:
> On 2023-03-09 17:58, Robert Rothenberg wrote:
>> I'm a fan of using constants in code, and often using interpolatable 
>> constants with something like Readonly or Const::Fast for deep 
>> constants:
> I think it is good to list all that can be meant by 'constant'.
> There are constants that direct compilation.
> For example to "compile out" a part of the code.
> Or constants that can be inlined at compilation.
> Per process there is $^T, generally a fixed integer.
> Etc. etc.

 From tchrist (2011), in a different context:

| Note also that anything that pretends
| there’s a such thing as a negative constant
| doesn’t understand the grammar; just run
| perl -MO=Concise,-exec -le '$x = -3**$y'
| to find out the whys and the wherefores.

-- Ruud

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