Random notes for personal use

Function receiver

SYNTAX: func [receiver] funcName(){}

// Any variable of type "deck" now has access to the "print" method
// You can think of 'd' as 'this' or 'self' in OOP languages like Java or Python
- EXAMPLE: func (d deck) print() {
    fmt.Println (deck)
}

Why don't we have to import a function from other files?

Because it's under the same package

Pointers

&variable - Gives a memory address of the value this variable is pointing to
*pointer - Gives the value this memory address is pointing at

Example and explanation

Assume person is a struct

func (pointerToPerson *person) updateName() {
    *pointerToPerson
}

*person - This is a type description it means we're working with a poitner to a person *pointerToPerson - This is an operator, it means we want to manipulate the value the pointer is referencing

Conversion

Turn address into value with *address
Turn value into address with &value

Value Types

Types that need pointers to change

int
float
string
bool
structs

Reference Types

Types that don't need pointers to change

slices
maps
channels
pointers
functions

alexbarksdale/GoGo