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/*
* Copyright 2010-2018 JetBrains s.r.o. 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
/**
* Represents a 16-bit Unicode character.
* On the JVM, non-nullable values of this type are represented as values of the primitive type `char`.
*/
@Suppress("NON_PUBLIC_PRIMARY_CONSTRUCTOR_OF_INLINE_CLASS")
public inline class Char internal constructor (val value: Int) : Comparable<Char> {
/**
* Compares this value with the specified value for order.
* Returns zero if this value is equal to the specified other value, a negative number if it's less than other,
* or a positive number if it's greater than other.
*/
public override fun compareTo(other: Char): Int = value - other.value
/** Adds the other Int value to this value resulting a Char. */
public operator fun plus(other: Int): Char = (value + other).toChar()
/** Subtracts the other Char value from this value resulting an Int. */
public operator fun minus(other: Char): Int = value - other.value
/** Subtracts the other Int value from this value resulting a Char. */
public operator fun minus(other: Int): Char = (value - other).toChar()
/** Increments this value. */
public operator fun inc(): Char = (value + 1).toChar()
/** Decrements this value. */
public operator fun dec(): Char = (value - 1).toChar()
/** Creates a range from this value to the specified [other] value. */
public operator fun rangeTo(other: Char): CharRange = CharRange(this, other)
/** Returns the value of this character as a `Byte`. */
public fun toByte(): Byte = value.toByte()
/** Returns the value of this character as a `Char`. */
public fun toChar(): Char = this
/** Returns the value of this character as a `Short`. */
public fun toShort(): Short = value.toShort()
/** Returns the value of this character as a `Int`. */
public fun toInt(): Int = value
/** Returns the value of this character as a `Long`. */
public fun toLong(): Long = value.toLong()
/** Returns the value of this character as a `Float`. */
public fun toFloat(): Float = value.toFloat()
/** Returns the value of this character as a `Double`. */
public fun toDouble(): Double = value.toDouble()
override fun toString(): String {
val value = value
return js("String.fromCharCode(value)").unsafeCast<String>()
}
companion object {
/**
* The minimum value of a character code unit.
*/
@SinceKotlin("1.3")
public const val MIN_VALUE: Char = '\u0000'
/**
* The maximum value of a character code unit.
*/
@SinceKotlin("1.3")
public const val MAX_VALUE: Char = '\uFFFF'
/**
* The minimum value of a Unicode high-surrogate code unit.
*/
public const val MIN_HIGH_SURROGATE: Char = '\uD800'
/**
* The maximum value of a Unicode high-surrogate code unit.
*/
public const val MAX_HIGH_SURROGATE: Char = '\uDBFF'
/**
* The minimum value of a Unicode low-surrogate code unit.
*/
public const val MIN_LOW_SURROGATE: Char = '\uDC00'
/**
* The maximum value of a Unicode low-surrogate code unit.
*/
public const val MAX_LOW_SURROGATE: Char = '\uDFFF'
/**
* The minimum value of a Unicode surrogate code unit.
*/
public const val MIN_SURROGATE: Char = MIN_HIGH_SURROGATE
/**
* The maximum value of a Unicode surrogate code unit.
*/
public const val MAX_SURROGATE: Char = MAX_LOW_SURROGATE
}
}
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