Data commit

Task/Fibonacci-sequence/Go/fibonacci-sequence-1.go

@@ -0,0 +1,6 @@
+func fib(a int) int {
+  if a < 2 {
+    return a
+  }
+  return fib(a - 1) + fib(a - 2)
+}

Task/Fibonacci-sequence/Go/fibonacci-sequence-2.go

@@ -0,0 +1,15 @@
+import (
+	"math/big"
+)
+
+func fib(n uint64) *big.Int {
+	if n < 2 {
+		return big.NewInt(int64(n))
+	}
+	a, b := big.NewInt(0), big.NewInt(1)
+	for n--; n > 0; n-- {
+		a.Add(a, b)
+		a, b = b, a
+	}
+	return b
+}

Task/Fibonacci-sequence/Go/fibonacci-sequence-3.go

@@ -0,0 +1,16 @@
+func fibNumber() func() int {
+	fib1, fib2 := 0, 1
+	return func() int {
+		fib1, fib2 = fib2, fib1 + fib2
+		return fib1
+	}
+}
+
+func fibSequence(n int) int {
+	f := fibNumber()
+	fib := 0
+	for i := 0; i < n; i++ {
+		fib = f()
+	}
+	return fib
+}

Task/Fibonacci-sequence/Go/fibonacci-sequence-4.go

@@ -0,0 +1,15 @@
+func fib(c chan int) {
+	a, b := 0, 1
+	for {
+		c <- a
+		a, b = b, a+b
+	}
+}
+
+func main() {
+	c := make(chan int)
+	go fib(c)
+	for i := 0; i < 10; i++ {
+		fmt.Println(<-c)
+	}
+}