# Pastebin Ntrrr2GH
$ git diff | cat
diff --git a/src/core/hash_slice.pm b/src/core/hash_slice.pm
index 2c9a76a..cd08973 100644
--- a/src/core/hash_slice.pm
+++ b/src/core/hash_slice.pm
@@ -206,15 +206,25 @@ multi sub postcircumfix:<{; }>(\SELF, @indices) {
     nqp::p6bindattrinvres(nqp::create(List), List, '$!reified', target)
 }
 
-multi sub postcircumfix:<{; }>(\SELF, @indices, :$exists!) {
-    sub recurse-at-key(\SELF, \indices, \counter){
-        my $idx = indices[counter];
-        (counter < indices.elems)
-            ?? SELF.EXISTS-KEY($idx) && recurse-at-key(SELF{$idx}, indices, counter + 1)
-            !! True
-    }
+multi postcircumfix:<{; }>(\SELF, @indices, :$exists!) {
+    multi recurse-at-key(\SELF, \indices, 0) {
+		(False xx indices.map(*.elems).reduce(&infix:<*>)).List
+	}
+    multi recurse-at-key(\SELF, [@idx, +@indices]) {
+		@idx.map( -> $idx { |recurse-at-key(SELF, ($idx, |@indices)) }).List
+	}
+	multi recurse-at-key(\SELF, [$idx, +@indices where *.elems > 0]) {
+		nqp::if(
+			nqp::not_i(SELF.EXISTS-KEY($idx)),
+			recurse-at-key(SELF{$idx}, @indices, 0),
+			recurse-at-key(SELF{$idx}, @indices),
+		)
+	}
+	multi recurse-at-key(\SELF, [$idx]) {
+		SELF.EXISTS-KEY($idx)
+	}
 
-    recurse-at-key(SELF, @indices, 0)
+	recurse-at-key(SELF, @indices)
 }
 
 # vim: ft=perl6 expandtab sw=4