if-then-else
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If-then-else almost resemble normal, spoken English. You use them to tell atfinity that if
a condition is met then
do this, else
do that.
The expression can also contain as many elif
condition then
expression parts as you like. The expression closes with the keyword end
.
The if-then-else expression is most often used dealing with calculated information.
condition
needs to evaluate to true or false. It could be a comparison (p.age >= 18
) or a boolean yes/no question (p.has_insurance
).
Both expressions have to return the same type of value, for example a number.
To determine the risk level of a person, inquire whether it is true or false that the person loves danger.
True: the expression returns what's behind then
: the person is deemed of high risk level.
False: the expression returns what's behind else
: the person's risk level is marked as low.