kotlin.reflect.jvm.internal.impl.utils.CollectionUtil.kt Maven / Gradle / Ivy

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/*
 * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
 * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
 */

package kotlin.reflect.jvm.internal.impl.utils

inline fun > Iterable<*>.filterIsInstanceAndTo(destination: C, predicate: (R) -> Boolean): C {
    for (element in this) {
        if (element is R && predicate(element)) {
            destination.add(element)
        }
    }
    return destination
}

inline fun > Iterable<*>.filterIsInstanceMapTo(destination: C, transform: (T) -> R): C {
    for (element in this) {
        if (element is T) {
            destination.add(transform(element))
        }
    }
    return destination
}

inline fun  Collection<*>.filterIsInstanceMapNotNull(transform: (T) -> R?): Collection {
    if (isEmpty()) return emptyList()
    return filterIsInstanceMapNotNullTo(SmartList(), transform)
}

inline fun  Collection<*>.filterIsInstanceAnd(predicate: (R) -> Boolean): List {
    if (isEmpty()) return emptyList()
    return filterIsInstanceAndTo(SmartList(), predicate)
}

inline fun > Iterable<*>.filterIsInstanceMapNotNullTo(
    destination: C,
    transform: (T) -> R?
): C {
    for (element in this) {
        if (element is T) {
            val result = transform(element)
            if (result != null) {
                destination.add(result)
            }
        }
    }
    return destination
}