Initial commit

06-variables/03-short-declaration/03-multiple-short-declaration/01-declaration/main.go

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+// For more tutorials: https://blog.learngoprogramming.com
+//
+// Copyright © 2018 Inanc Gumus
+// Learn Go Programming Course
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+//
+
+package main
+
+import "fmt"
+
+func main() {
+	// the number of variables and values should be equal
+
+	// -> `true` is being assigned to `safe`
+	// -> `50` is being assigned to `speed`
+
+	safe, speed := true, 50
+
+	fmt.Println(safe, speed)
+}

06-variables/03-short-declaration/03-multiple-short-declaration/02-coding-example/main.go

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+// For more tutorials: https://blog.learngoprogramming.com
+//
+// Copyright © 2018 Inanc Gumus
+// Learn Go Programming Course
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+//
+
+package main
+
+import "fmt"
+
+func main() {
+	name, lastname := "Nikola", "Tesla"
+	fmt.Println(name, lastname)
+
+	birth, death := 1856, 1943
+	fmt.Println(birth, death)
+
+	on, off := true, false
+	fmt.Println(on, off)
+
+	// there's no limit
+	// however, more declarations that you declare
+	// more unreadable it becomes...
+	degree, ratio, heat := 10.55, 30.5, 20.
+	fmt.Println(degree, ratio, heat)
+
+	// you can short declare variables with different types
+	nFiles, valid, msg := 10, true, "hello"
+
+	fmt.Println(nFiles, valid, msg)
+}

06-variables/03-short-declaration/03-multiple-short-declaration/03-redeclaration/01/main.go

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+// For more tutorials: https://blog.learngoprogramming.com
+//
+// Copyright © 2018 Inanc Gumus
+// Learn Go Programming Course
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+//
+
+package main
+
+import "fmt"
+
+func main() {
+	// `safe`'s value is `false`
+	var safe bool
+
+	// `safe`'s value is now `true`
+
+	// `speed` is declared and initialized to `50`
+
+	// redeclaration only works when
+	//
+	// at least one of the variables
+	// should be a new variable
+
+	safe, speed := true, 50
+
+	fmt.Println(safe, speed)
+
+	// EXERCISE
+	//
+	// Declare the speed variable before
+	// the short declaration "again"
+	//
+	// Observe what happens
+}

06-variables/03-short-declaration/03-multiple-short-declaration/03-redeclaration/02-coding-example/main.go

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+// For more tutorials: https://blog.learngoprogramming.com
+//
+// Copyright © 2018 Inanc Gumus
+// Learn Go Programming Course
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+//
+
+package main
+
+import "fmt"
+
+func main() {
+	// EXAMPLE #1
+
+	name := "Nikola"
+	fmt.Println(name)
+
+	// name already exists in this block
+	// name := "Marie"
+
+	// just assigns new values to name
+	// and declares the new variable age with a value of 66
+	name, age := "Marie", 66
+	fmt.Println(name, age)
+
+	// EXAMPLE #2
+
+	// name = "Albert"
+	// birth := 1879
+
+	// redeclaration below equals to the statements just above
+	//
+	// `name` is an existing variable
+	//   Go just assigns "Albert" to the name variable
+	//
+	// `birth` is a new variable
+	//   Go declares it and assigns it a value of `1879`
+	name, birth := "Albert", 1879
+
+	fmt.Println(name, birth)
+}