When Else

When/Else statements are equivalent to "if/else" in other languages.

Syntax

when ('boolean expression') {
  'passing expression'
} {else {
  'failing expression'
}}

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1. when

• When statements begin with the when keyword.

2. boolean expression

• When statements evaluate whether the expression returns true or false.

3. passing expression

• When statements must contain a block of code to be executed in the case of the expression evaluating to true.

3. else ^(optional)

• When statements can optionally contain a second else branch to be evaluated.

4. failing expression

• The block of code to be executed in the case of the expression evaluating to false.

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Examples

when (true) {
  push "This will always be printed"
}

when (1 != 1) {
  push "This will never be printed"
} else {
  push "This will always be printed"
}