jamiebullock

class Counter:
    count = 0          # class attribute count
    def increment():   # define method to increment count
        count += 1
        
Counter.count          # count is 0
Counter.increment()    # call the method increment()
Counter.count          # count is 1
counter = Counter()    # create instance of Counter
counter.count          # class attribute... count is still 1

jamiebullock

{
	"Fruit": 
	[
		{
			"Name": "Banana",
			"Colour": "Yellow"
		},
		{
			"Name": "Apple",
			"Colour": "Green"

jamiebullock

switch (expression)
{
  case value1:
    // code executed if expression matches value1
    [break;]
  case value2:
    // code executed if expression matches value2
    [break;]
  ...
  case valueN:

jamiebullock

switch (colour)
{
    case 'red':
    case 'amber':
         stop();
         break;
    case 'green':
    case 'flashing amber':
         go();
         break;

jamiebullock

const stop = () => { console.log("stop called"); }
const go = () => { console.log("go called"); }

const colour = 'red';

const handleColour = 
{
    'red'               : stop,
    'amber'             : stop,
    'green'             : go,

jamiebullock

const handleShape = (shape) => { console.log(shape.area()); }

class Shape
{
    constructor(width = 2)
    {
        this.width = width;
    }
    area()
    {

jamiebullock

var item;

try
{
    item = previousItem;
}
catch (ReferenceError)
{
    item = new Item();
    previousItem = item;

jamiebullock

def print_balance(account)
  printf "Debits: %10.2f\n", account.debits 
  printf "Credits: %10.2f\n", account.credits
  if account.fees < 0
    printf "Fees: %10.2f-\n", -account.fees
  else
    printf "Fees: %10.2f\n", account.fees 
  end
  printf " ———-\n" 
  if account.balance < 0

jamiebullock

def format_amount(value)
  result = sprintf("%10.2f", value.abs) 
  if value < 0
    result + "-" 
  else
    result + " " 
  end
end

def print_line(label, value)

jamiebullock

## Options section
setopt correct                                                  # Auto correct mistakes
setopt extendedglob                                             # Extended globbing. Allows using regular expressions with *
setopt nocaseglob                                               # Case insensitive globbing
setopt rcexpandparam                                            # Array expension with parameters
setopt nocheckjobs                                              # Don't warn about running processes when exiting
setopt numericglobsort                                          # Sort filenames numerically when it makes sense
setopt nobeep                                                   # No beep
setopt appendhistory                                            # Immediately append history instead of overwriting