60 lines
1.8 KiB
Go
60 lines
1.8 KiB
Go
// For more tutorials: https://blog.learngoprogramming.com
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//
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// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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// ---------------------------------------------------------
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// EXERCISE: Basics
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//
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// Let's warm up with the pointer basics. Please follow the
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// instructions inside the code. Run the solution to see
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// its output if you need to.
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// ---------------------------------------------------------
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package main
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type computer struct {
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brand string
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}
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func main() {
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// create a nil pointer with the type of pointer to a computer
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// compare the pointer variable to a nil value, and say it's nil
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// create an apple computer by putting its address to a pointer variable
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// put the apple into a new pointer variable
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// compare the apples: if they are equal say so and print their addresses
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// create a sony computer by putting its address to a new pointer variable
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// compare apple to sony, if they are not equal say so and print their
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// addresses
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// put apple's value into a new ordinary variable
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// print apple pointer variable's address, and the address it points to
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// and, print the new variable's addresses as well
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// compare the value that is pointed by the apple and the new variable
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// if they are equal say so
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// print the values:
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// the value that is pointed by the apple and the new variable
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// create a new function: change
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// the func can change the given computer's brand to another brand
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// change sony's brand to hp using the func — print sony's brand
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// write a func that returns the value that is pointed by the given *computer
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// print the returned value
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// write a new constructor func that returns a pointer to a computer
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// and call the func 3 times and print the returned values' addresses
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}
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