core-ktx/androidx.core.util/contains

contains

inline operator fun <T> LongSparseArray<T>.contains(key: Long): Boolean(source)
inline operator fun <T> SparseArray<T>.contains(key: Int): Boolean(source)
inline operator fun SparseBooleanArray.contains(key: Int): Boolean(source)
inline operator fun SparseIntArray.contains(key: Int): Boolean(source)
inline operator fun SparseLongArray.contains(key: Int): Boolean(source)

Returns true if the collection contains key.