On 12/24/19 10:45 AM, Tim Daneliuk wrote:
On 12/24/19 6:37 AM, Stefan Ram wrote:
And you all are aware that this kind of string concatenation
happens in C and C++, too, aren't you?
main.c
#include <stdio.h>
int main( void ){ puts( "a" "b" ); }
transcript
ab
Noting that it has been a long time since I looked at the C specification ...
Is the above an artifact of how puts() is implemented or is it innate in the
language spec?
The automatic concatenation of adjacent strings is an innate part of the
C language spec.
One important reason this was included in the C language was so that
some of the predefined macros with a string value (like the compilation
time __TIME__) could be built into a string constant.
A second is that C had no equivalent to """ as a multi-line string
constant, and using line continuation was problematical on some systems
using fixed length lines, so allowing a constant to be built on multiple
lines was useful.
--
Richard Damon
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