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Date: Thu, 23 Apr 2020 00:32:03 -0400
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To: tyson andre <tysonandre775@hotmail.com>
Cc: Andrea Faulds <ajf@ajf.me>, "internals@lists.php.net" <internals@lists.php.net>
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Subject: Re: [PHP-DEV] Re: Any interest in a list type?
From: matthewmatthew@gmail.com (Matthew Brown)

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> For simplicity's sake I haven't
> implemented a type declaration right now, just an is_list() function,
> but it could easily be extended to one

This is a crucial question =E2=80=93 should is_list function like
is_numeric($some_string), where is_list just tells you about the keys in
the array at a given point in the program, or should it function like
is_int, where it tells you about the type. I lean towards the latter (which
would make the implementation of is_list simpler, but would complicate
everything else.

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