Packages > pkl > pkl.base

Boolean0.25.3

Overview
Methods

external class Boolean extends Any

A boolean value, either true or false.

Known subtypes:
Known usages:
All versions:

The following operators are supported for booleans:

!bool          // logical negation
bool1 && bool2 // logical conjunction
bool1 || bool2 // logical disjunction

Methods(show inherited)

link

function

Any.getClass(): Class (pkl.base)

Returns the class of this.
link

function

Any.toString(): String (pkl.base)

Returns a string representation of this.

This method is used to convert the values of string interpolation expressions to strings.
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function

Any.ifNonNull<Result>(transform: (NonNull) -> Result): Result? (pkl.base)

Returns this |> transform if this is non-null, and null otherwise.

This method is the complement of the ?? operator and the equivalent of an Option type's map and flatMap methods.
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function
xor(other: Boolean): Boolean

Tells if exactly one of this and other is true (exclusive or).
Facts:
```
!true.xor(true)
true.xor(false)
false.xor(true)
!false.xor(false)
```
link

function
implies(other: Boolean): Boolean

Tells if this implies other (logical consequence).
Note: This function does not short-circuit; other is always evaluated.

Facts:
```
true.implies(true)
!true.implies(false)
false.implies(true)
false.implies(false)
```