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Commit 55266b1

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author
Rajeev Kumar Singh
committed
code reorganization
1 parent f530491 commit 55266b1

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54 files changed

+45
-23
lines changed

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54 files changed

+45
-23
lines changed

‎07-packages/app/main.go

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package main
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import (
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"fmt"
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"github.com/callicoder/golang-tutorials/07-packages/numbers"
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"github.com/callicoder/golang-tutorials/07-packages/strings"
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"github.com/callicoder/golang-tutorials/07-packages/strings/greetings" // Importing a nested package
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str "strings" // Package Alias
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)
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func main() {
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fmt.Println(numbers.IsPrime(19))
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fmt.Println(greetings.WelcomeText)
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fmt.Println(strings.Reverse("callicoder"))
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fmt.Println(str.Count("Go is Awesome. I love Go", "Go"))
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}
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‎07-packages/strings/greetings/texts.go

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// Nested Package
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package greetings
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// Exported
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const WelcomeText = "Hello, World to Golang"
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const MorningText = "Good Morning"
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const EveningText = "Good Evening"
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// Not exported (only visible inside the `greetings` package)
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var loremIpsumText = `Lorem ipsum dolor sit amet, consectetur adipiscing elit,
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sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad
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minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea
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commodo consequat.`

‎12-packages/strings/reverse.go renamed to ‎07-packages/strings/reverse.go

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@@ -6,9 +6,7 @@ package strings
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perform the reverse operation on that, and then re-cast to a string.
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*/
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func Reverse(s string) string {
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chars := []rune(s)
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for i, j := 0, len(chars)-1; i < j; i, j = i+1, j-1 {
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chars[i], chars[j] = chars[j], chars[i]
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}
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return string(chars)
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runes := []rune(s)
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reversedRunes := reverseRunes(runes)
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return string(reversedRunes)
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}

‎07-packages/strings/reverse_runes.go

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package strings
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// Reverses an array of runes
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// This function is not exported (It is only visible inside the `strings` package)
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func reverseRunes(r []rune) []rune {
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for i, j := 0, len(r)-1; i < j; i, j = i+1, j-1 {
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r[i], r[j] = r[j], r[i]
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}
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return r
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}

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