BooleanArray
An array of booleans. When targeting the JVM, instances of this class are represented as boolean[].
Since Kotlin
1.1An array of booleans. When targeting the JVM, instances of this class are represented as boolean[].
Since Kotlin
1.0Constructors
Functions
Returns true if array has at least one element.
Returns true if at least one element matches the given predicate.
Creates an Iterable instance that wraps the original array returning its elements when being iterated.
Creates a Sequence instance that wraps the original array returning its elements when being iterated.
Returns a Map containing the elements from the given array indexed by the key returned from keySelector function applied to each element.
Returns a Map containing the values provided by valueTransform and indexed by keySelector functions applied to elements of the given array.
Populates and returns the destination mutable map with key-value pairs, where key is provided by the keySelector function applied to each element of the given array and value is the element itself.
Populates and returns the destination mutable map with key-value pairs, where key is provided by the keySelector function and and value is provided by the valueTransform function applied to elements of the given array.
Populates and returns the destination mutable map with key-value pairs provided by transform function applied to each element of the given array.
Returns 1st element from the array.
Returns 2nd element from the array.
Returns 3rd element from the array.
Returns 4th element from the array.
Returns 5th element from the array.
Returns true if the two specified arrays are structurally equal to one another, i.e. contain the same number of the same elements in the same order.
Returns a hash code based on the contents of this array as if it is List.
Returns a string representation of the contents of the specified array as if it is List.
Returns new array which is a copy of the original array.
Returns new array which is a copy of the original array, resized to the given newSize. The copy is either truncated or padded at the end with false values if necessary.
Returns a new array which is a copy of the specified range of the original array.
Returns the number of elements in this array.
Returns the number of elements matching the given predicate.
Returns a list containing only distinct elements from the given array.
Returns a list containing only elements from the given array having distinct keys returned by the given selector function.
Returns a list containing all elements except last elements that satisfy the given predicate.
Returns an element at the given index or throws an IndexOutOfBoundsException if the index is out of bounds of this array.
Returns an element at the given index or the result of calling the defaultValue function if the index is out of bounds of this array.
Returns a list containing only elements matching the given predicate.
Appends all elements matching the given predicate to the given destination.
Appends all elements not matching the given predicate to the given destination.
Appends all elements matching the given predicate to the given destination.
Returns first element.
Returns the first element matching the given predicate.
Returns the first element, or null if the array is empty.
Returns the first element matching the given predicate, or null if element was not found.
Appends all elements yielded from results of transform function being invoked on each element of original array, to the given destination.
Performs the given action on each element, providing sequential index with the element.
Returns the array element at the given index. This method can be called using the index operator.
Returns an element at the given index or the result of calling the defaultValue function if the index is out of bounds of this array.
Groups elements of the original array by the key returned by the given keySelector function applied to each element and returns a map where each group key is associated with a list of corresponding elements.
Groups values returned by the valueTransform function applied to each element of the original array by the key returned by the given keySelector function applied to the element and returns a map where each group key is associated with a list of corresponding values.
Groups elements of the original array by the key returned by the given keySelector function applied to each element and puts to the destination map each group key associated with a list of corresponding elements.
Groups values returned by the valueTransform function applied to each element of the original array by the key returned by the given keySelector function applied to the element and puts to the destination map each group key associated with a list of corresponding values.
Returns index of the first element matching the given predicate, or -1 if the array does not contain such element.
Returns index of the last element matching the given predicate, or -1 if the array does not contain such element.
Returns true if the array is not empty.
Creates an iterator over the elements of the array.
Creates an iterator over the elements of the array.
Appends the string from all the elements separated using separator and using the given prefix and postfix if supplied.
Creates a string from all the elements separated using separator and using the given prefix and postfix if supplied.
Returns the last element.
Returns the last element matching the given predicate.
Returns last index of element, or -1 if the array does not contain element.
Returns the last element, or null if the array is empty.
Returns the last element matching the given predicate, or null if no such element was found.
Returns a list containing the results of applying the given transform function to each element and its index in the original array.
Applies the given transform function to each element and its index in the original array and appends the results to the given destination.
Applies the given transform function to each element of the original array and appends the results to the given destination.
Returns true if the array has no elements.
Returns true if no elements match the given predicate.
Splits the original array into pair of lists, where first list contains elements for which predicate yielded true, while second list contains elements for which predicate yielded false.
Returns an array containing all elements of the original array and then the given element.
Returns an array containing all elements of the original array and then all elements of the given elements array.
Returns an array containing all elements of the original array and then all elements of the given elements collection.
Accumulates value starting with the first element and applying operation from left to right to current accumulator value and each element with its index in the original array.
Accumulates value starting with the last element and applying operation from right to left to each element and current accumulator value.
Accumulates value starting with the last element and applying operation from right to left to each element with its index in the original array and current accumulator value.
Returns a list with elements in reversed order.
Returns an array with elements of this array in reversed order.
Returns the single element, or throws an exception if the array is empty or has more than one element.
Returns the single element matching the given predicate, or throws exception if there is no or more than one matching element.
Returns single element, or null if the array is empty or has more than one element.
Returns the single element matching the given predicate, or null if element was not found or more than one element was found.
Returns a list of all elements sorted descending according to natural sort order of the value returned by specified selector function.
Returns a list of all elements sorted according to the specified comparator.
Returns the sum of all values produced by selector function applied to each element in the array.
Returns a list containing last elements satisfying the given predicate.
Returns an array of Boolean containing all of the elements of this generic array.
Appends all elements to the given destination collection.
Returns a new MutableList filled with all elements of this array.
Returns a new MutableSet containing all distinct elements from the given array.
Returns a new SortedSet of all elements.
Returns a typed object array containing all of the elements of this primitive array.
Returns a lazy Iterable that wraps each element of the original array into an IndexedValue containing the index of that element and the element itself.
Returns a list of pairs built from the elements of this array and the other array with the same index. The returned list has length of the shortest collection.
Returns a list of pairs built from the elements of this collection and other array with the same index. The returned list has length of the shortest collection.
Returns a list of values built from the elements of this array and the other array with the same index using the provided transform function applied to each pair of elements. The returned list has length of the shortest collection.
Returns a list of values built from the elements of this array and the other array with the same index using the provided transform function applied to each pair of elements. The returned list has length of the shortest array.
Returns a list of values built from the elements of this array and the other collection with the same index using the provided transform function applied to each pair of elements. The returned list has length of the shortest collection.