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Member "swig-4.1.1/Examples/test-suite/lua/abstract_access_runme.lua" (30 Nov 2022, 544 Bytes) of package /linux/misc/swig-4.1.1.tar.gz:

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    1 require("import")   -- the import fn
    2 import("abstract_access")   -- import code
    3 
    4 -- catch "undefined" global variables
    5 local env = _ENV -- Lua 5.2
    6 if not env then env = getfenv () end -- Lua 5.1
    7 setmetatable(env, {__index=function (t,i) error("undefined global variable `"..i.."'",2) end})
    8 
    9 -- trying to instantiate pure virtual classes
   10 -- should fail
   11 assert(pcall(abstract_access.A)==false)
   12 assert(pcall(abstract_access.B)==false)
   13 assert(pcall(abstract_access.C)==false)
   14 
   15 -- instantiate object
   16 d=abstract_access.D()
   17 
   18 --call fn
   19 assert(d:do_x()==1)