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Re:Toward Go 2 by fanf2 on Friday July 14, 2017 @01:17PM (#14771424)
>>>>The article mentions that Go 1 code needs to be able to coexist with Go 2 in the same codebase.<<<<

>>Interesting. Are there any other languages where that is allowed?<<

C / C++

Perl 5/6

The various language feature pragmas in Haskell.

Re:Toward Go 2 by vram22 on Friday July 14, 2017 @02:39PM (#14772184)
Interesting, didn't know this about C/C++, though I may have guessed it about Perl.