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Add support for DMD 2.094 -preview=in switch

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This will allow users to use -preview=in as soon as it's released.
Of course this had to uncovered a DMD bug in the process.
This commit is contained in:
Geod24 2020-08-31 10:51:02 +09:00 committed by The Dlang Bot
parent 6f62236b2d
commit a027c233c2
1 changed files with 13 additions and 1 deletions
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14
source/eventcore/driver.d
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@ -996,7 +996,19 @@ alias EventCallback = void delegate(EventID);
alias SignalCallback = void delegate(SignalListenID, SignalStatus, int);
alias TimerCallback = void delegate(TimerID);
alias TimerCallback2 = void delegate(TimerID, bool fired);
alias FileChangesCallback = void delegate(WatcherID, in ref FileChange change);
// Support for `-preview=in`
// Using template because of https://issues.dlang.org/show_bug.cgi?id=21207
private template FileChangesCallbackWorkaround ()
{
static if (!is(typeof(mixin(q{(in ref int a) => a}))))
alias FileChangesCallbackWorkaround = void delegate(WatcherID, in FileChange change);
else
mixin(q{
alias FileChangesCallbackWorkaround = void delegate(WatcherID, in ref FileChange change);
});
}
alias FileChangesCallback = FileChangesCallbackWorkaround!();
alias ProcessWaitCallback = void delegate(ProcessID, int);
@system alias DataInitializer = void function(void*) @nogc;