findNodeSuchThat static method
Return first node satisfying the pred
@since 4.5.1
Implementation
static Tree? findNodeSuchThat(Tree? t, bool Function(Tree?) pred) {
if (pred(t)) return t;
if (t == null) return null;
final n = t.childCount;
for (var i = 0; i < n; i++) {
final u = findNodeSuchThat(t.getChild(i), pred);
if (u != null) return u;
}
return null;
}