[jira] Commented: (STDCXX-981) type traits should need consider extended integral types

["Martin Sebor (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/STDCXX-981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12614638#action_12614638 ] 

Martin Sebor commented on STDCXX-981:
-------------------------------------

I agree we should support ??extended integral types?? if/when they exist. Unless current implementations have some in common (I don't know of any extended integer types on any of our target platforms) we will probably need to hardcode them for each platform as we discover them.

> type traits should need consider extended integral types
> --------------------------------------------------------
>
>                 Key: STDCXX-981
>                 URL: https://issues.apache.org/jira/browse/STDCXX-981
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: TR1.4 - Metaprogramming and Type Traits
>    Affects Versions: 4.3.x
>            Reporter: Travis Vitek
>            Assignee: Travis Vitek
>             Fix For: 4.3.x
>
>   Original Estimate: 4h
>  Remaining Estimate: 4h
>
> Environments are allowed to provide _extended integral types_, and the implementation of the {{\_\_rw_is_integral}}, {{\_\_rw_is_signed}}, {{\_\_rw_is_unsigned}}, {{\_\_rw_make_signed}}, and {{\_\_rw_make_unsigned}} traits should be updated to handle them.

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