Control Flow Statements

Basically, you can control the flow of your Pineapple code with any of the following:

• if , elif and else

• for loop

• while loop

• break , continue or return

If-elif-else statements

Similar to Python, all you need is indentation (tab), you don't need those curly brackets. For example:

if he.isCrazy
    you.callAmbulance
elif he.isInDanger
    you.goHelp(he)
else
    you.doNothing

Note that every test expression must be Boolean type.

Remember that .isCrazy and other similar construct are just functions.

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Test expression chaining

Sometimes, a single test expression is not enough to express what you really wanted. In such situation, you can use the following logical operators:

• and

• or

• not

For example:

if he.isYoung and he.isNaughty
    "He is a kid".show

elif sky.isBlue or air.isFresh
    "I am happy!".show

elif not current.isLunchTime
    "Continue working . . .".show

Note

not operator have higher precedence than or and and.
For example, the following code:

if not he.isFine and he.isEating
    ...

Is same as:

if (not he.isFine) and he.isEating
    ...

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For statements

For statements is used to iterate over a list.
For example:

for x in [1,2,3,4]
    x.show

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While loop

While loop is use to loop some code until certain condition is met.

while not file.atEOF
    file.readline.show