Re: Loops (was Re: do { quit; } else { })

On Tue, 15 Apr 2025 13:33:21 -0000 (UTC), Kaz Kylheku wrote:

On 2025-04-15, bart wrote:

  * Not having to write the variable 3 times (with C not always being
    able to detect if they didn't match)

>
This is indeed a source of errors in C nested loops. Say we have
these macros:
>
  FOR (i, 0, N-1)
    FOR (j, 0, i)
      ...
>
we are less likely to make some copy paste error like
 
  for (i = 0; i < N; i++)
    for (j = 0; j < i; i++)
      ...
>
Int he past, I've run into bugs in nested loops, along these lines.

if F is a macro as #define F for
until now i not find any inconvenient for me at last

In loop-heavy code, making a macro like the FOR above might not
be a bad idea.