8 lines
231 B
Lua
8 lines
231 B
Lua
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local f = Const("f")
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local x = Var(1)
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local y = Var(2)
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local t = f(x, y)
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check_error(function() t:lower_free_vars(2, 10) end)
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check_error(function() t:lower_free_vars(1, 1, 2) end)
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assert(t:lower_free_vars(1) == f(Var(0), Var(1)))
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