12 lines
283 B
Lua
12 lines
283 B
Lua
local s = name_set()
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assert(not s:contains("a"))
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s = s:insert("a")
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assert(s:contains("a"))
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s = s:insert("b")
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assert(s:contains("a"))
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assert(s:contains("b"))
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local s2 = s:erase("a")
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assert(s:contains("a"))
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assert(s:contains("b"))
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assert(not s2:contains("a"))
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assert(s2:contains("b"))
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