http://d.puremagic.com/issues/show_bug.cgi?id=8140
Summary: allow to catch exceptions by implemented interface
Product: D
Version: D2
Platform: All
OS/Version: All
Status: NEW
Severity: enhancement
Priority: P2
Component: druntime
AssignedTo: nob...@puremagic.com
ReportedBy: luka8...@owave.net
--- Comment #0 from luka8088 <luka8...@owave.net> 2012-05-24 05:22:09 PDT ---
Now we can only catch by class that is derived from Throwable. This prevents
logical generic *grouping* and catching by *group*. As discussed in #d on
freenode irc from 24-05-2012 13:20:00 to 24-05-2012 13:56:00.
For example:
// assume that IThrowable is in druntime
interface IMyException1: IThrowable {}
interface IMyException2: IThrowable {}
interface IMyException3: IThrowable {}
class MyException1: Exception, IMyException1 {}
class MyException2: Exception, IMyException1, IMyException2 {}
class MyException3: Exception, IMyException1 ,IMyException3 {}
class MyException4: Exception, IMyException3 {}
try {
throw new MyException2();
} catch (IMyException3) {
// catches MyException3 or MyException4
}
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