836d13db ^

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local chupacabra = require("chupacabra")

local stack = {}

local function scratch(input)
    local output = chupacabra.run(input, {})
    table.insert(stack, {input = input, output = output})
end

local function scratch_out()
    for i, entry in ipairs(stack) do
        print(i .. "  input: " .. entry.input)
        if type(entry.output) == "table" then
            print("  output: " .. chupacabra.table_to_string(entry.output))
        else
            print("  output: " .. tostring(entry.output))
        end
    end
end

scratch("3 : + [1 1 1] [2 3 4] @+ @..")
scratch("[2 4 6] 2 @..")
scratch("3 : + [1 1 1] [2 3 4] @+ @..")
scratch("[2 4 6] 2 @..")
scratch("1 2 3 4 5 6 7 @.. [1 2 3 0 5 6 7] @=")
scratch("2 3 +")
scratch("3 : + 6 =")
scratch_out()