public inbox for gcc-prs@sourceware.org
help / color / mirror / Atom feed
* c/10036: new keyword "boolif" that accepts only <stdbool.h>bool values "true" or "false" as arguments; comparison operators that return <stdbool.h>bool values.
@ 2003-03-12 10:26 roland.illig
0 siblings, 0 replies; 2+ messages in thread
From: roland.illig @ 2003-03-12 10:26 UTC (permalink / raw)
To: gcc-gnats
>Number: 10036
>Category: c
>Synopsis: new keyword "boolif" that accepts only <stdbool.h>bool values "true" or "false" as arguments; comparison operators that return <stdbool.h>bool values.
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: unassigned
>State: open
>Class: change-request
>Submitter-Id: net
>Arrival-Date: Wed Mar 12 10:26:01 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator: roland.illig@gmx.de
>Release: unknown-1.0
>Organization:
>Environment:
any
>Description:
#include <stdbool.h>
/* let === be an equality operator whose type is (any,any)->bool. */
int main(void)
{
int a = 12345;
int b = -12345;
boolif (a - b === 0) {
printf("ok\n");
} else {
printf("not ok\n");
}
boolif (a) { /* this shall lead to a compiler error */
printf("12345 == true\n");
} else {
printf("12345 != true\n");
}
}
The strict-bool type shall have no implicit conversion rules from or to other types. The only way to get a strict-bool is the application of the strict-bool operators.
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: c/10036: new keyword "boolif" that accepts only <stdbool.h>bool values "true" or "false" as arguments; comparison operators that return <stdbool.h>bool values.
@ 2003-03-22 4:26 bangerth
0 siblings, 0 replies; 2+ messages in thread
From: bangerth @ 2003-03-22 4:26 UTC (permalink / raw)
To: gcc-bugs, gcc-prs, nobody, roland.illig
Synopsis: new keyword "boolif" that accepts only <stdbool.h>bool values "true" or "false" as arguments; comparison operators that return <stdbool.h>bool values.
State-Changed-From-To: open->closed
State-Changed-By: bangerth
State-Changed-When: Sat Mar 22 04:26:01 2003
State-Changed-Why:
As desirable as this might be, I don't see any chance of this
being implemented. The standards provide default conversions
between integers and booleans, which would have to be
abandoned temporarily if inside if-statements. I cannot
imagine that people will want to work on this inside gcc
any time soon, so can't see a value in keeping this report
open.
Sorry
Wolfgang
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=10036
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2003-03-22 4:26 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2003-03-12 10:26 c/10036: new keyword "boolif" that accepts only <stdbool.h>bool values "true" or "false" as arguments; comparison operators that return <stdbool.h>bool values roland.illig
2003-03-22 4:26 bangerth
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).