Thread overview | ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
January 28, 2010 [Issue 3746] New: Misleding error message "OP has no effect in expression XXX), in void function | ||||
---|---|---|---|---|
| ||||
http://d.puremagic.com/issues/show_bug.cgi?id=3746 Summary: Misleding error message "OP has no effect in expression XXX), in void function Product: D Version: 2.041 Platform: Other OS/Version: Linux Status: NEW Severity: normal Priority: P2 Component: DMD AssignedTo: nobody@puremagic.com ReportedBy: baryluk@smp.if.uj.edu.pl --- Comment #0 from Witold Baryluk <baryluk@smp.if.uj.edu.pl> 2010-01-27 17:15:05 PST --- On function with void return type, if one will put expression after return: void f() { auto a = 1, b = 3, c = 5; return a/b*c; } will end with compiler error like: aaa.d(4): Error: * has no effect in expression (a / b * c) My function "f" was lot bigger, and took me about 5 minutes to understand what is wrong. Could such bugs can be detected and be something like aaa.d(4): Error: no return statment allowed in void function/method -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
January 28, 2010 [Issue 3746] Misleding error message "OP has no effect in expression XXX), in void function | ||||
---|---|---|---|---|
| ||||
Posted in reply to Witold Baryluk | http://d.puremagic.com/issues/show_bug.cgi?id=3746 Witold Baryluk <baryluk@smp.if.uj.edu.pl> changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|normal |minor -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
January 28, 2010 [Issue 3746] Misleding error message "OP has no effect in expression XXX), in void function | ||||
---|---|---|---|---|
| ||||
Posted in reply to Witold Baryluk | http://d.puremagic.com/issues/show_bug.cgi?id=3746 Bernard Helyer <blood.of.life@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |blood.of.life@gmail.com --- Comment #1 from Bernard Helyer <blood.of.life@gmail.com> 2010-01-27 19:59:24 PST --- Well, obviously return *is* allowed from void functions (void f() { return; }). But 'error: return statement with a value in a void function' would be a preferable message than talking about values having no effect in expressions. -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
January 28, 2010 [Issue 3746] Misleding error message "OP has no effect in expression XXX), in void function | ||||
---|---|---|---|---|
| ||||
Posted in reply to Witold Baryluk | http://d.puremagic.com/issues/show_bug.cgi?id=3746 --- Comment #2 from Witold Baryluk <baryluk@smp.if.uj.edu.pl> 2010-01-28 12:12:00 PST --- (In reply to comment #1) > Well, obviously return *is* allowed from void functions (void f() { return; }). But 'error: return statement with a value in a void function' would be a preferable message than talking about values having no effect in expressions. Yes you are right. Error messages should be as precise as possible. -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
June 13, 2011 [Issue 3746] Misleding error message "OP has no effect in expression XXX), in void function | ||||
---|---|---|---|---|
| ||||
Posted in reply to Witold Baryluk | http://d.puremagic.com/issues/show_bug.cgi?id=3746 yebblies <yebblies@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |sky@q1cc.net --- Comment #3 from yebblies <yebblies@gmail.com> 2011-06-12 23:18:47 PDT --- *** Issue 3855 has been marked as a duplicate of this issue. *** -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
June 13, 2011 [Issue 3746] Misleding error message "OP has no effect in expression XXX), in void function | ||||
---|---|---|---|---|
| ||||
Posted in reply to Witold Baryluk | http://d.puremagic.com/issues/show_bug.cgi?id=3746 yebblies <yebblies@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED CC| |yebblies@gmail.com Resolution| |DUPLICATE --- Comment #4 from yebblies <yebblies@gmail.com> 2011-06-12 23:19:46 PDT --- *** This issue has been marked as a duplicate of issue 3630 *** -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
June 13, 2011 [Issue 3746] Misleding error message "OP has no effect in expression XXX), in void function | ||||
---|---|---|---|---|
| ||||
Posted in reply to Witold Baryluk | http://d.puremagic.com/issues/show_bug.cgi?id=3746 yebblies <yebblies@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |REOPENED Resolution|DUPLICATE | Severity|minor |enhancement --- Comment #5 from yebblies <yebblies@gmail.com> 2011-06-12 23:21:28 PDT --- My bad, this is a request for a better error. -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
June 13, 2011 [Issue 3746] Misleding error message "OP has no effect in expression XXX), in void function | ||||
---|---|---|---|---|
| ||||
Posted in reply to Witold Baryluk | http://d.puremagic.com/issues/show_bug.cgi?id=3746 bearophile_hugs@eml.cc changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |bearophile_hugs@eml.cc --- Comment #6 from bearophile_hugs@eml.cc 2011-06-13 03:21:08 PDT --- *** Issue 3922 has been marked as a duplicate of this issue. *** -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
June 13, 2011 [Issue 3746] Misleding error message "OP has no effect in expression XXX), in void function | ||||
---|---|---|---|---|
| ||||
Posted in reply to Witold Baryluk | http://d.puremagic.com/issues/show_bug.cgi?id=3746 --- Comment #7 from bearophile_hugs@eml.cc 2011-06-13 03:22:41 PDT --- Issue 3922 contains some interesting comments. It seems this enhancement request for a better error message has many dupes! -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
June 13, 2011 [Issue 3746] Misleading error message "OP has no effect in expression XXX), in void function | ||||
---|---|---|---|---|
| ||||
Posted in reply to Witold Baryluk | http://d.puremagic.com/issues/show_bug.cgi?id=3746 yebblies <yebblies@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |patch Summary|Misleding error message "OP |Misleading error message | has no effect in |"OP has no effect in |expression XXX), in void |expression XXX), in void |function |function --- Comment #8 from yebblies <yebblies@gmail.com> 2011-06-13 13:34:34 PDT --- https://github.com/D-Programming-Language/dmd/pull/121 This adds the error message: testx.d(4): Error: expression with no side effects used with void return Good enough? -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
Copyright © 1999-2021 by the D Language Foundation