assert

JVM
1.0
fun assert ( value : Boolean )
(source)
Native
1.3
@ExperimentalNativeApi fun assert ( value : Boolean )
(source)
For JVM

Throws an AssertionError if the value is false and runtime assertions have been enabled on the JVM using the -ea JVM option.

For Native

Throws an AssertionError if the value is false and runtime assertions have been enabled during compilation.

JVM
1.0
inline fun assert ( value : Boolean , lazyMessage : ( ) -> Any )
(source)
Native
1.3
@ExperimentalNativeApi inline fun assert (
value : Boolean ,
lazyMessage : ( ) -> Any )

(source)
For JVM

Throws an AssertionError calculated by lazyMessage if the value is false and runtime assertions have been enabled on the JVM using the -ea JVM option.

For Native

Throws an AssertionError calculated by lazyMessage if the value is false and runtime assertions have been enabled during compilation.