25 lines
404 B
Lua
25 lines
404 B
Lua
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local function f(x)
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-- tailcall to a builtin
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return math.sin(x)
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end
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local function factorial(i)
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local function helper(sum, n)
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if n <= 0 then
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return sum
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else
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-- tail call to a nested Lua function
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return helper(n + sum, n - 1)
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end
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end
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return helper(0, i)
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end
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local result1 = factorial(5)
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print(result1)
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print(factorial(5))
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local result2 = f(math.pi)
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print(result2)
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print(f(math.pi))
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