Master

dayone.go

@@ -8,6 +8,8 @@ func printingExamples() {
 	age := 69
 	name := "Joe"
 
+	Divider("printing")
+
 	//Print
 	fmt.Print("hello, ")   // does NOT add a new line
 	fmt.Print("world! \n") // add new line manually
@@ -37,7 +39,7 @@ func dataTypesExamples() {
 
 	// Date Types Doc https://go.dev/ref/spec#Types
 
-	fmt.Println("-------------------------STRINGS-------------------------")
+	Divider("strings")
 	// String docs https://go.dev/ref/spec#String_types
 
 	// Three ways to initialize a variable
@@ -60,7 +62,7 @@ func dataTypesExamples() {
 
 	// Numeric data types doc https://go.dev/ref/spec#Numeric_types
 
-	fmt.Println("-------------------------INTS-------------------------")
+	Divider("ints")
 
 	// ints
 	var ageOne int = 20
@@ -88,7 +90,7 @@ func dataTypesExamples() {
 
 	fmt.Println(posNumOne, posNumTwo, posNumThree, posNumFour)
 
-	fmt.Println("-------------------------FLOATS-------------------------")
+	Divider("floats")
 
 	// decimal values default to float64
 	var floatOne float32 = 25.98

daytwo.go

@@ -0,0 +1,74 @@
+package main
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+)
+
+func arraysAndSorting() {
+
+	Divider("arrays")
+
+	// Arrays in GOLang start at 0!!!
+
+	// Three ways to initialize arrays
+	// you can either define the length in the [x]type part
+	// or let it determine the amount based on the number of entries given
+	var ages [3]int = [3]int{16, 17, 18}
+	var moreAges = [3]int{21, 22, 23}
+	names := [4]string{"mario", "luigi", "peach", "yoshi"}
+
+	fmt.Println(ages, len(moreAges), names) // len() function gets the length or size of array
+
+	// slices (use arrays under the hood)
+	var scores = []int{100, 50, 60}
+	scores[2] = 25
+	scores = append(scores, 85)
+
+	fmt.Println(scores, len(scores))
+
+	// slice ranges
+	rangeOne := names[1:3]
+
+	fmt.Println(rangeOne)
+
+	Divider("standard library")
+
+	// strings package
+
+	greeting := "hello there"
+	fmt.Println(strings.Contains(greeting, "hello")) // strings.Contains returns a boolean value depending on if the passed value contains the second string
+	fmt.Println(strings.Contains(greeting, "Hello")) // This function IS case-sensitive
+
+	fmt.Println(strings.ReplaceAll(greeting, "hello", "hi")) // Replaces all instances of the passed string
+	fmt.Println("Original string value is", greeting)        // the original value is unchanged
+	fmt.Println(strings.ToUpper(greeting))                   // returns the passed string all uppercase
+
+	fmt.Println(strings.Index(greeting, "ll")) // returns the first found position of the passed string
+
+	fmt.Println(strings.Split(greeting, " ")) // splits first passed string into an array at each of the second passed variables instances
+
+	// sort package
+
+	otherAges := []int{45, 20, 35, 30, 75, 60, 50, 25}
+
+	sort.Ints(otherAges) // sorts given values AND stores it in the same variable
+	fmt.Println(otherAges)
+
+	index := sort.SearchInts(otherAges, 30) // gets the index of the passed value from the array first passed
+	secondIndex := sort.SearchInts(otherAges, 90) // if the value passed is not found in the array, it will return what position it WOULD be in
+	thirdIndex := sort.SearchInts(otherAges, 55)
+	fmt.Println(index)
+	fmt.Println(secondIndex)
+	fmt.Println(thirdIndex)
+
+	otherNames := []string{"mario", "luigi", "yoshi", "peach", "bowser"}
+
+	sort.Strings(otherNames)
+	fmt.Println(otherNames)
+
+	fmt.Println(sort.SearchStrings(otherNames, "bowser")) // gives the position of the passed string in the array if found
+	fmt.Println(sort.SearchStrings(otherNames, "waluigi")) // otherwise will return where it WOULD be
+
+}

goofin.go

@@ -1,10 +0,0 @@
-package main
-
-func divider(divider string) {
-	endString := ""
-	totalLength := 50
-	length := len(divider)
-
-	//TODO make this return a fixed size divider!
-
-}

install-go.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+export PATH=$PATH:/usr/local/go/bin

main.go

@@ -1,74 +1,9 @@
 package main
 
 import (
-	"fmt"
-	"sort"
-	"strings"
+	_ "fmt"
 )
 
 func main() {
-
-	fmt.Println("-------------------------ARRAYS-------------------------")
-
-	// Arrays in GOLang start at 0!!!
-
-	// Three ways to initialize arrays
-	// you can either define the length in the [x]type part
-	// or let it determine the amount based on the number of entries given
-	var ages [3]int = [3]int{16, 17, 18}
-	var moreAges = [3]int{21, 22, 23}
-	names := [4]string{"mario", "luigi", "peach", "yoshi"}
-
-	fmt.Println(ages, len(moreAges), names) // len() function gets the length or size of array
-
-	// slices (use arrays under the hood)
-	var scores = []int{100, 50, 60}
-	scores[2] = 25
-	scores = append(scores, 85)
-
-	fmt.Println(scores, len(scores))
-
-	// slice ranges
-	rangeOne := names[1:3]
-
-	fmt.Println(rangeOne)
-
-	fmt.Println("-------------------------STANDARD-LIBRARY-------------------------")
-
-	// strings package
-
-	greeting := "hello there"
-	fmt.Println(strings.Contains(greeting, "hello")) // strings.Contains returns a boolean value depending on if the passed value contains the second string
-	fmt.Println(strings.Contains(greeting, "Hello")) // This function IS case-sensitive
-
-	fmt.Println(strings.ReplaceAll(greeting, "hello", "hi")) // Replaces all instances of the passed string
-	fmt.Println("Original string value is", greeting)        // the original value is unchanged
-	fmt.Println(strings.ToUpper(greeting))                   // returns the passed string all uppercase
-
-	fmt.Println(strings.Index(greeting, "ll")) // returns the first found position of the passed string
-
-	fmt.Println(strings.Split(greeting, " ")) // splits first passed string into an array at each of the second passed variables instances
-
-	// sort package
-
-	otherAges := []int{45, 20, 35, 30, 75, 60, 50, 25}
-
-	sort.Ints(otherAges) // sorts given values AND stores it in the same variable
-	fmt.Println(otherAges)
-
-	index := sort.SearchInts(otherAges, 30) // gets the index of the passed value from the array first passed
-	secondIndex := sort.SearchInts(otherAges, 90) // if the value passed is not found in the array, it will return what position it WOULD be in
-	thirdIndex := sort.SearchInts(otherAges, 55)
-	fmt.Println(index)
-	fmt.Println(secondIndex)
-	fmt.Println(thirdIndex)
-
-	otherNames := []string{"mario", "luigi", "yoshi", "peach", "bowser"}
-
-	sort.Strings(otherNames)
-	fmt.Println(otherNames)
-
-	fmt.Println(sort.SearchStrings(otherNames, "bowser")) // gives the position of the passed string in the array if found
-	fmt.Println(sort.SearchStrings(otherNames, "waluigi")) // otherwise will return where it WOULD be
-
+	Divider("divided")
 }

utils.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+)
+
+func Divider(divider string) {
+	totalLength := 50
+
+	divUpper := strings.ToUpper(strings.ReplaceAll(divider, " ", "-"))
+	length := len(divider)
+	dashLength := totalLength - length
+	sb := strings.Builder{}
+
+	for i := 0; i < dashLength / 2; i++ {
+		sb.WriteString("-")
+	}
+
+	sb.WriteString(divUpper)
+
+	for len(sb.String()) < totalLength {
+		sb.WriteString("-")
+	}
+
+	fmt.Println(sb.String())
+}