1 package foo 2 3 func f(m, n int) int { 4 a := g(n) 5 b := g(m) 6 return a + b 7 } 8 9 func g(x int) int { 10 y := h(x + 1) 11 z := h(x - 1) 12 return y + z 13 } 14 15 func h(x int) int { 16 return x * x 17 } 18
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