fix: coding style and file format for chapter 11, 12, 13, 14 and 15.

eBook/exercises/chapter_14/general_lazy_evalution2.go

@@ -1,59 +1,60 @@
-package main
-
-import (
-	"fmt"
-)
-
-type Any interface{}
-type EvalFunc func(Any) (Any, Any)
-
-func main() {
-	fibFunc := func(state Any) (Any, Any) {
-		os := state.([]uint64)
-		v1 := os[0]
-		v2 := os[1]
-		ns := []uint64{v2, v1 + v2}
-		return v1, ns
-	}
-	fib := BuildLazyUInt64Evaluator(fibFunc, []uint64{0, 1})
-
-	for i := 0; i < 10; i++ {
-    	fmt.Printf("Fib nr %v: %v\n", i, fib())
-	}
-}
-
-func BuildLazyEvaluator(evalFunc EvalFunc, initState Any) func() Any {
-	retValChan := make(chan Any)
-	loopFunc := func() {
-		var actState Any = initState
-		var retVal Any
-		for {
-			retVal, actState = evalFunc(actState)
-			retValChan <- retVal
-		}
-	}
-	retFunc := func() Any {
-		return <-retValChan
-	}
-	go loopFunc()
-	return retFunc
-}
-
-func BuildLazyUInt64Evaluator(evalFunc EvalFunc, initState Any) func() uint64 {
-	ef := BuildLazyEvaluator(evalFunc, initState)
-	return func() uint64 {
-		return ef().(uint64)
-	}
-}
-/* Output:
-Fib nr 0: 0
-Fib nr 1: 1
-Fib nr 2: 1
-Fib nr 3: 2
-Fib nr 4: 3
-Fib nr 5: 5
-Fib nr 6: 8
-Fib nr 7: 13
-Fib nr 8: 21
-Fib nr 9: 34
-*/
+package main
+
+import (
+	"fmt"
+)
+
+type Any interface{}
+type EvalFunc func(Any) (Any, Any)
+
+func main() {
+	fibFunc := func(state Any) (Any, Any) {
+		os := state.([]uint64)
+		v1 := os[0]
+		v2 := os[1]
+		ns := []uint64{v2, v1 + v2}
+		return v1, ns
+	}
+	fib := BuildLazyUInt64Evaluator(fibFunc, []uint64{0, 1})
+
+	for i := 0; i < 10; i++ {
+		fmt.Printf("Fib nr %v: %v\n", i, fib())
+	}
+}
+
+func BuildLazyEvaluator(evalFunc EvalFunc, initState Any) func() Any {
+	retValChan := make(chan Any)
+	loopFunc := func() {
+		var actState Any = initState
+		var retVal Any
+		for {
+			retVal, actState = evalFunc(actState)
+			retValChan <- retVal
+		}
+	}
+	retFunc := func() Any {
+		return <-retValChan
+	}
+	go loopFunc()
+	return retFunc
+}
+
+func BuildLazyUInt64Evaluator(evalFunc EvalFunc, initState Any) func() uint64 {
+	ef := BuildLazyEvaluator(evalFunc, initState)
+	return func() uint64 {
+		return ef().(uint64)
+	}
+}
+
+/* Output:
+Fib nr 0: 0
+Fib nr 1: 1
+Fib nr 2: 1
+Fib nr 3: 2
+Fib nr 4: 3
+Fib nr 5: 5
+Fib nr 6: 8
+Fib nr 7: 13
+Fib nr 8: 21
+Fib nr 9: 34
+*/