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androidx.compose.ui.util

Top-level functions summary

Boolean
isSurrogatePair(high: Char, low: Char)

Float
lerp(start: Float, stop: Float, fraction: Float)

Linearly interpolate between start and stop with fraction fraction between them.

Int
lerp(start: Int, stop: Int, fraction: Float)

Linearly interpolate between start and stop with fraction fraction between them.

Long
lerp(start: Long, stop: Long, fraction: Float)

Linearly interpolate between start and stop with fraction fraction between them.

Long
packFloats(val1: Float, val2: Float)

Packs two Float values into one Long value for use in inline classes.

Long
packInts(val1: Int, val2: Int)

Packs two Int values into one Long value for use in inline classes.

T
trace(sectionName: String, block: () -> T)

Wrap the specified block in calls to Trace.beginSection (with the supplied sectionName) and Trace.endSection.

Float

Unpacks the first Float value in packFloats from its returned Long.

Float

Unpacks the second Float value in packFloats from its returned Long.

Int
unpackInt1(value: Long)

Unpacks the first Int value in packInts from its returned ULong.

Int
unpackInt2(value: Long)

Unpacks the second Int value in packInts from its returned ULong.

Extension functions summary

For java.lang.StringBuilder
actual StringBuilder

For kotlin.String
expect Int

expect Int

actual String
String.format(vararg args: Any?)

For kotlin.collections.List
Boolean
List<T>.fastAll(predicate: (T) -> Boolean)

Returns true if all elements match the given predicate.

Boolean
List<T>.fastAny(predicate: (T) -> Boolean)

Returns true if at least one element matches the given predicate.

T?
List<T>.fastFirstOrNull(predicate: (T) -> Boolean)

Returns the first value that predicate returns true for or null if nothing matches.

Unit
List<T>.fastForEach(action: (T) -> Unit)

Iterates through a List using the index and calls action for each item.

Unit
List<T>.fastForEachIndexed(action: (Int, T) -> Unit)

Iterates through a List using the index and calls action for each item.

List<R>
List<T>.fastMap(transform: (T) -> R)

Returns a list containing the results of applying the given transform function to each element in the original collection.

C
List<T>.fastMapTo(destination: C, transform: (T) -> R)

Applies the given transform function to each element of the original collection and appends the results to the given destination.

T?
List<T>.fastMaxBy(selector: (T) -> R)

Returns the first element yielding the largest value of the given function or null if there are no elements.

Int
List<T>.fastSumBy(selector: (T) -> Int)

Returns the sum of all values produced by selector function applied to each element in the list.

Top-level functions

isSurrogatePair

fun isSurrogatePair(
    high: Char,
    low: Char
): Boolean

lerp

fun lerp(
    start: Float,
    stop: Float,
    fraction: Float
): Float

Linearly interpolate between start and stop with fraction fraction between them.

lerp

fun lerp(
    start: Int,
    stop: Int,
    fraction: Float
): Int

Linearly interpolate between start and stop with fraction fraction between them.

lerp

fun lerp(
    start: Long,
    stop: Long,
    fraction: Float
): Long

Linearly interpolate between start and stop with fraction fraction between them.

packFloats

inline fun packFloats(
    val1: Float,
    val2: Float
): Long

Packs two Float values into one Long value for use in inline classes.

packInts

inline fun packInts(
    val1: Int,
    val2: Int
): Long

Packs two Int values into one Long value for use in inline classes.

trace

inline fun <T> trace(
    sectionName: String,
    block: () -> T
): T

Wrap the specified block in calls to Trace.beginSection (with the supplied sectionName) and Trace.endSection.

unpackFloat1

inline fun unpackFloat1(value: Long):