14 May
2020
14 May
'20
7:21 p.m.
On Wed, May 13, 2020 at 08:42:55PM -0400, John P. Linderman wrote:
I never liked call by reference. When I was trying to
understand a chunk of
code, it was a great mental simplification to know that whatever a called
routine did, it couldn't have an effect on the code I was trying to
understand except through a returned value and (ghastly) global variables.
Call by value is fine for things like a single integer or whatever. When
you have some giant array, you want to pass a pointer.
And "const" helps a lot with indicating the subroutine isn't going to
change it.