[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: How to test if a variable is declared?
From: |
David |
Subject: |
Re: How to test if a variable is declared? |
Date: |
Sat, 14 Mar 2020 12:20:44 +1100 |
On Fri, 13 Mar 2020 at 13:59, Peng Yu <address@hidden> wrote:
> What is the best way
> to test whether a viable is declared?
[answers were given and rejected because ...]
On Fri, 13 Mar 2020 at 23:56, Peng Yu <address@hidden> wrote:
>
> it will use extra CPU for a test that could be made more light weight.
On Sat, 14 Mar 2020 at 01:01, Peng Yu <address@hidden> wrote:
>
> it could be supported for example by adding a new switch to [[.
But adding a new switch to [[ will use extra CPU every time [[ is called.
Why should everyone's code run slower just because you had a hypothetical dream?
- How to test if a variable is declared?, Peng Yu, 2020/03/12
- Re: How to test if a variable is declared?, David, 2020/03/12
- Re: How to test if a variable is declared?, Peng Yu, 2020/03/13
- Re: How to test if a variable is declared?, Andreas Kusalananda Kähäri, 2020/03/13
- Re: How to test if a variable is declared?, Peng Yu, 2020/03/13
- Re: How to test if a variable is declared?, Eli Schwartz, 2020/03/13
- Re: How to test if a variable is declared?, Peng Yu, 2020/03/13
- Re: How to test if a variable is declared?, Pier Paolo Grassi, 2020/03/13
- Re: How to test if a variable is declared?, Peng Yu, 2020/03/13
- Message not available
- Re: How to test if a variable is declared?, Peng Yu, 2020/03/13
- Re: How to test if a variable is declared?,
David <=
- Re: How to test if a variable is declared?, Andreas Kusalananda Kähäri, 2020/03/13
- Re: How to test if a variable is declared?, Peng Yu, 2020/03/13