# New Ticket Created by Alex Elsayed # Please include the string: [perl #68138] # in the subject line of all future correspondence about this issue. # <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=68138 >
This code fails. Moritz believes it to be due to T not being bound when
Positional[T] appears. Also, the error has no line number.
role TreeNode[::T] does Positional[T] {
has TreeNode[T] @!children handles 'postcircumfix:<[ ]>';
has T $.data is rw;
}
my $tree = TreeNode[Int].new;
$tree.data = 3;
$tree[0] = TreeNode[Int].new;
$tree[1] = TreeNode[Int].new;
$tree[0].data = 1;
$tree[1].data = 4;
.say for $tree.data, $tree[0,1]>>.data;
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