Hi All, I wrote a TTree generic class, the code is here:
https://github.com/xrfang/fpcollection/blob/master/src/units/tree.pas While using this class, I encountered the following problem: program project1; {$mode objfpc}{$H+} uses tree; type TIntTree = class(specialize TTree<Integer>) end; var ti : TIntTree; begin ti := TIntTree.Create(1, nil); ti := ti.Next; <-- error here end. The error message is: Error: Incompatible types: got "TIntTree.TTree$LongInt" expected "TIntTree" If I do not inherit TTree but just specialize it, there is no error. How can I solve this problem so that I don' t have to use typecast everywhere? Thanks, Xiangrong
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