Solution for module-2

go.mod

@@ -0,0 +1,5 @@
+module com.github/honestit/homework
+
+go 1.16
+
+require github.com/kyokomi/emoji v2.2.4+incompatible

go.sum

@@ -0,0 +1,2 @@
+github.com/kyokomi/emoji v2.2.4+incompatible h1:np0woGKwx9LiHAQmwZx79Oc0rHpNw3o+3evou4BEPv4=
+github.com/kyokomi/emoji v2.2.4+incompatible/go.mod h1:mZ6aGCD7yk8j6QY6KICwnZ2pxoszVseX1DNoGtU2tBA=

ls_0/README.md

@@ -1,11 +1,11 @@
 # Introduction task 
 
-The purpose of this task is to figure out with basic tooling of the Golang as well as check your IDE setup.
+The purpose of this task is to figure out how to use basic tooling of the Golang as well as check your IDE setup.
 
 Task:
 * Initialize project with Go modules
 * Add dependency "github.com/kyokomi/emoji" to add emojy into the string
 * Using Sprint function from this package build a message "Hello from 🇵🇱!"
 
-To run tests for run cmd "cmd test -v ."
-Tasks considered as completed in case tests are not failed
+To run tests for run cmd "go test -v ."
+Tasks considered as completed in case test is not failed

module-2/task1/fibonacci/fibonacci.go

@@ -0,0 +1,53 @@
+package fibonacci
+
+func Fibonacci(n interface{}) interface{} {
+	switch v := n.(type) {
+	case uint:
+		return fibonnaciUint(v)
+	case int:
+		return fibonnaciInt(v)
+	case float64:
+		return fibonnaciFloat(v)
+	}
+	return nil
+
+}
+
+func fibonnaciUint(n uint) uint {
+	if n == 0 {
+		return 0
+	}
+	if n == 1 {
+		return 1
+	}
+	if n == 2 {
+		return 1
+	}
+	return fibonnaciUint(n-1) + fibonnaciUint(n-2)
+}
+
+func fibonnaciInt(n int) int {
+	if n == 0 {
+		return 0
+	}
+	if n == 1 {
+		return 1
+	}
+	if n == 2 {
+		return 1
+	}
+	return fibonnaciInt(n-1) + fibonnaciInt(n-2)
+}
+
+func fibonnaciFloat(n float64) float64 {
+	if n == 0 {
+		return 0
+	}
+	if n == 1 {
+		return 1
+	}
+	if n == 2 {
+		return 1
+	}
+	return fibonnaciFloat(n-1) + fibonnaciFloat(n-2)
+}

module-2/task1/go.mod

@@ -0,0 +1,3 @@
+module honestit/computator
+
+go 1.16

module-2/task1/main.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"fmt"
+	"honestit/computator/fibonacci"
+	"strconv"
+)
+
+func main() {
+	var input string
+
+	fmt.Print("Provide a number for fibonnaci function: ")
+	fmt.Scanf("%s", &input)
+
+	n, err := cast(input)
+	if err == nil {
+		fib := fibonacci.Fibonacci(n)
+		fmt.Printf("Fibonacci for %v = %v", n, fib)
+	} else {
+		fmt.Printf("Something wrong with your input: %q", input)
+	}
+
+}
+
+func cast(input string) (interface{}, error) {
+	if v, err := strconv.ParseInt(input, 0, 0); err == nil {
+		return int(v), nil
+	} else if v, err := strconv.ParseUint(input, 0, 0); err == nil {
+		return uint(v), nil
+	} else if v, err := strconv.ParseFloat(input, 64); err == nil {
+		return float64(v), nil
+	} else {
+		return nil, fmt.Errorf("not a number")
+	}
+}