.net - Compilation fails when using System.ValueTuple -


  1. vs 2017 version 15.3.2
  2. project targets framework 4.6.2
  3. installed nuget package system.valuetuple latest stable 4.4.0
  4. use value tuple, no error shown in editor
  5. run compile step, no errors in error window, output window shows compilation failed , actual error messages

invalid token '(' in class, struct, or interface member declaration

what going on?

i created branch in git one, , works fine. merge changes back, compilation fails. tried uninstalling package , re-installing, same thing.


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