github.com/hirochachacha/plua@v0.0.0-20170217012138-c82f520cc725/stdlib/base/testdata/tostring.lua (about)

     1  assert(tostring("test") == "test")
     2  assert(tostring(13) == "13")
     3  
     4  x = setmetatable({name = "name"}, {
     5  	__tostring = function(t)
     6  		return t.name
     7  	end
     8  })
     9  
    10  assert(tostring(x) == "name")