types/kotools.types.collection/NotEmptyCollection

NotEmptyCollection

@Since(version = KotoolsTypesVersion.V4_1_0)
interface NotEmptyCollection<out E>

Represents a collection that has at least one element of type E.

Inheritors

Properties

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abstract val head: E

The first element of this collection.

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open val size: StrictlyPositiveInt

The size of this collection.

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@Since(version = KotoolsTypesVersion.V4_1_0)
val NotEmptyCollection<*>?.sizeOrZero: PositiveInt

Returns the size of this collection, or returns ZeroInt if this collection is null.

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open val tail: NotEmptyCollection<E>?

All elements of this collection except the first one.

Functions

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abstract override fun toString(): String

Returns the string representation of this collection.