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• 0.9.28
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• ClosedRange.kt

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commonMain.extensions.ClosedRange.kt Maven / Gradle / Ivy

package io.fluidsonic.stdlib

import kotlin.jvm.*


operator fun > ClosedRange.component1() =
	start


operator fun > ClosedRange.component2() =
	endInclusive


fun > ClosedRange.flipped() =
	endInclusive .. start


fun , R : Comparable> ClosedRange.mapBounds(transform: (Bound) -> R) =
	transform(start) .. transform(endInclusive)


@JvmName("mapBoundsToDouble")
fun > ClosedRange.mapBounds(transform: (Bound) -> Double) =
	transform(start) .. transform(endInclusive)


@JvmName("mapBoundsToFloat")
fun > ClosedRange.mapBounds(transform: (Bound) -> Float) =
	transform(start) .. transform(endInclusive)


fun > ClosedRange.mapBounds(transform: (Bound) -> Int) =
	transform(start) .. transform(endInclusive)


fun > ClosedRange.mapBounds(transform: (Bound) -> Long) =
	transform(start) .. transform(endInclusive)


@ExperimentalUnsignedTypes
fun > ClosedRange.mapBounds(transform: (Bound) -> UInt) =
	transform(start) .. transform(endInclusive)


@ExperimentalUnsignedTypes
fun > ClosedRange.mapBounds(transform: (Bound) -> ULong) =
	transform(start) .. transform(endInclusive)


fun > ClosedRange.intersection(other: ClosedRange) =
	overlaps(other).thenTake { maxOf(start, other.start) rangeToExcluding minOf(endInclusive, other.endInclusive) }


fun > ClosedRange.overlaps(other: ClosedRange) =
	contains(other.start) || other.contains(start)


fun > ClosedRange.toSequence(next: (Bound) -> Bound?) =
	when {
		isEmpty() -> emptySequence()
		else -> generateSequence(start) { start ->
			next(start)?.takeIf { value -> contains(value) }
		}
	}