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filterTo

inline fun <K, V, M : MutableMap<in K, in V>> Map<out K, V>.filterTo(
    destination: M, 
    predicate: (Entry<K, V>) -> Boolean
): M

Appends all entries matching the given predicate into the mutable map given as destination parameter.

Return the destination map.

inline fun <T, C : MutableCollection<in T>> Iterable<T>.filterTo(
    destination: C, 
    predicate: (T) -> Boolean
): C
inline fun <T, C : MutableCollection<in T>> Array<out T>.filterTo(
    destination: C, 
    predicate: (T) -> Boolean
): C
inline fun <C : MutableCollection<in Byte>> ByteArray.filterTo(
    destination: C, 
    predicate: (Byte) -> Boolean
): C
inline fun <C : MutableCollection<in Short>> ShortArray.filterTo(
    destination: C, 
    predicate: (Short) -> Boolean
): C
inline fun <C : MutableCollection<in Int>> IntArray.filterTo(
    destination: C, 
    predicate: (Int) -> Boolean
): C
inline fun <C : MutableCollection<in Long>> LongArray.filterTo(
    destination: C, 
    predicate: (Long) -> Boolean
): C
inline fun <C : MutableCollection<in Float>> FloatArray.filterTo(
    destination: C, 
    predicate: (Float) -> Boolean
): C
inline fun <C : MutableCollection<in Double>> DoubleArray.filterTo(
    destination: C, 
    predicate: (Double) -> Boolean
): C
inline fun <C : MutableCollection<in Boolean>> BooleanArray.filterTo(
    destination: C, 
    predicate: (Boolean) -> Boolean
): C
inline fun <C : MutableCollection<in Char>> CharArray.filterTo(
    destination: C, 
    predicate: (Char) -> Boolean
): C

Appends all elements matching the given predicate to the given destination.

© 2010–2017 JetBrains s.r.o.
Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/filter-to.html