24 lines
584 B
Lua
24 lines
584 B
Lua
l = local_context()
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assert(l:is_nil())
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assert(is_local_context(l))
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e = mk_inst(1, Const("a"))
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assert(is_local_entry(e))
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assert(e:is_inst())
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assert(not e:is_lift())
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assert(e:s() == 1)
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assert(e:v() == Const("a"))
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assert(e:v() ~= Const("b"))
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assert(not e:is_lift())
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e2 = mk_lift(0, 2);
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assert(is_local_entry(e2))
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assert(not e2:is_inst())
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assert(e2:is_lift())
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assert(e2:s() == 0)
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assert(e2:n() == 2)
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l = local_context(e, l)
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l2 = local_context(e2, l)
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assert(l2:head() == e2)
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assert(l2:tail():head() == e)
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assert(not l2:is_nil())
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assert(is_local_context(l2))
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assert(not is_local_entry(l2))
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