kotlin-stdlib/kotlin.jvm/JvmSuppressWildcards

JvmSuppressWildcards

@Target(allowedTargets = [AnnotationTarget.CLASS, AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY, AnnotationTarget.TYPE])
expect annotation class JvmSuppressWildcards(val suppress: Boolean = true)(source)

Instructs compiler to generate or omit wildcards for type arguments corresponding to parameters with declaration-site variance, for example such as Collection<out T> has.

If the innermost applied @JvmSuppressWildcards has suppress=true, the type is generated without wildcards. If the innermost applied @JvmSuppressWildcards has suppress=false, the type is generated with wildcards.

It may be helpful only if declaration seems to be inconvenient to use from Java.

Since Kotlin

1.0

Properties

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expect val suppress: Boolean = true
Since Kotlin 1.0