RosettaCodeData/Task/Call-a-function-in-a-shared-library/Raku/call-a-function-in-a-shared-library.raku

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Raku
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2023-07-01 11:58:00 -04:00
use NativeCall;
sub XOpenDisplay(Str $s --> int64) is native('X11') {*}
sub XCloseDisplay(int64 $i --> int32) is native('X11') {*}
if try my $d = XOpenDisplay ":0.0" {
say "ID = $d";
XCloseDisplay($d);
}
else {
say "No X11 library!";
say "Use this window instead --> ";
}