12 lines
524 B
Lua
12 lines
524 B
Lua
local env = empty_environment()
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-- Trust level is set to 0 by default. Then, we must type check a
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-- definition, before adding it to the environment
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assert(not pcall(function() env:add(mk_var_decl("A", Bool)) end))
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-- The function check produces a "certified declaration".
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env:add(check(env, mk_var_decl("A", Bool)))
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local env = empty_environment({trust_level = 10000000})
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-- Now, env has trust_level > LEAN_BELIEVER_TRUST_LEVEL, then we can
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-- add declarations without type checking them.
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env:add(mk_var_decl("A", Bool))
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