Hi All, While I try to compile this code:
program demo; {$mode objfpc}{$H+} uses tree; type TIntTree = class(specialize TTree<Integer>) end; TITTree = class(specialize TTree<TIntTree>) end; operator <(it1, it2: TIntTree): Boolean; begin Result := it1.Data < it2.Data; end; var itt: TITTree; begin end. I got the following error: tree.pas(324,11) Error: Operator is not overloaded: "TIntTree" < "TIntTree" The complete code for tree.pas is here: https://github.com/xrfang/fpcollection/blob/master/src/units/tree.pas Even I defined the needed operator like above, it still refuse to compile. How to solve this? Thanks in advance! Xiangrong
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