8 lines
202 B
Text
8 lines
202 B
Text
require "list"
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local s = slist.of("A", "B")
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local ixs = s:find("A") -- always returns an array of indices even if we only want the first
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if #ixs > 0 then
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s:insert(ixs[1] + 1, "C")
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print(s)
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end
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