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IntExtensions.md

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Int Extensions

Table of Contents

Name Type iOS tvOS watchOS macOS
abs Read-Only Property 8+ 9+ 3+ 10.10+
asLocaleCurrency Read-Only Property 8+ 9+ 3+ 10.10+
degreesToRadians Read-Only Property 8+ 9+ 3+ 10.10+
digits Read-Only Property 8+ 9+ 3+ 10.10+
digitsCount Read-Only Property 8+ 9+ 3+ 10.10+
isEven Read-Only Property 8+ 9+ 3+ 10.10+
isOdd Read-Only Property 8+ 9+ 3+ 10.10+
radiansToDegrees Read-Only Property 8+ 9+ 3+ 10.10+
romanNumeral Read-Only Property 8+ 9+ 3+ 10.10+
timeString Read-Only Property 8+ 9+ 3+ 10.10+
kFormatted Read-Only Property 8+ 9+ 3+ 10.10+
gcd(of n: Int) Method 8+ 9+ 3+ 10.10+
lcm(of n: Int) Method 8+ 9+ 3+ 10.10+
randomBetween(min: Int, max: Int) Static Method 8+ 9+ 3+ 10.10+
** Infix Operator 8+ 9+ 3+ 10.10+
√ Prefix Operator 8+ 9+ 3+ 10.10+
± Infix Operator 8+ 9+ 3+ 10.10+
± Prefix Operator 8+ 9+ 3+ 10.10+

--

abs

Absolute value of integer.

  • type: Read-Only Property.
  • return type: Int
  • availability: iOS 8+ tvOS 9+ watchOS 3+ macOS 10.10+.

Example

1.abs -> 1
(-1).abs -> 1

--

asLocaleCurrency

String with number and current locale currency.

  • type: Read-Only Property.
  • return type: String
  • availability: iOS 8+ tvOS 9+ watchOS 3+ macOS 10.10+.

Example

1.asLocaleCurrency -> "$1.00"

--

degreesToRadians

Radian value of degree input.

  • type: Read-Only Property.
  • return type: Double
  • availability: iOS 8+ tvOS 9+ watchOS 3+ macOS 10.10+.

Example

180.degreesToRadians -> 3.141592653589793

--

digits

Array of digits of integer value.

  • type: Read-Only Property.
  • return type: [Int]
  • availability: iOS 8+ tvOS 9+ watchOS 3+ macOS 10.10+.

Example

123.digits -> [1, 2, 3]

--

digitsCount

Number of digits of integer value.

  • type: Read-Only Property.
  • return type: Int
  • availability: iOS 8+ tvOS 9+ watchOS 3+ macOS 10.10+.

Example

123.digitsCount = 3

--

isEven

Check if integer is even.

  • type: Read-Only Property.
  • return type: Bool
  • availability: iOS 8+ tvOS 9+ watchOS 3+ macOS 10.10+.

Example

2.isEven -> true
1.isEven -> false

--

isOdd

Check if integer is odd.

  • type: Read-Only Property.
  • return type: Bool
  • availability: iOS 8+ tvOS 9+ watchOS 3+ macOS 10.10+.

Example

1.isOdd -> true
2.isOdd -> false

--

radiansToDegrees

Degree value of radian input

  • type: Read-Only Property.
  • return type: Double
  • availability: iOS 8+ tvOS 9+ watchOS 3+ macOS 10.10+.

Example

1.radiansToDegrees -> 57.29577951308232

--

romanNumeral

Roman numeral string from integer (if applicable).

  • type: Read-Only Property.
  • return type: String?
  • availability: iOS 8+ tvOS 9+ watchOS 3+ macOS 10.10+.

Example

13.romanNumeral -> "XIII"
(-6).romanNumeral -> nil

--

timeString

String of format (XXh XXm) from seconds Int.

  • type: Read-Only Property.
  • return type: String
  • availability: iOS 8+ tvOS 9+ watchOS 3+ macOS 10.10+.

Example

13.timeString -> "13 sec"
516.timeString -> "8 min"
4243.timeString -> "1 h 10 m"

--

kFormatted

String formatted for values over ±1000 (example: 1k, -2k, 100k, 1kk, -5kk..)

  • type: Read-Only Property.
  • return type: String
  • availability: iOS 8+ tvOS 9+ watchOS 3+ macOS 10.10+.

Example

13.kFormatted -> "0K"
1209.kFormatted -> "1k"
(-4000).kFormatted -> "-4k"

--

gcd(of n: Int)

Greatest common divisor of integer value and n.

  • type: Method.
  • return type: Int
  • parameters:
    • n: integer value to find gcd with.
  • returns: greatest common divisor of self and n.
  • availability: iOS 8+ tvOS 9+ watchOS 3+ macOS 10.10+.

Example

124.gcd(of: 12) -> 4

--

lcm(of n: Int)

Least common multiple of integer and n.

  • type: Method.
  • return type: Int
  • parameters:
    • n: integer value to find lcm with.
  • returns: least common multiple of self and n.
  • availability: iOS 8+ tvOS 9+ watchOS 3+ macOS 10.10+.

Example

4.lcm(of: 3) -> 12

--

randomBetween(min: Int, max: Int)

Random integer between two integer values.

  • type: Static Method.
  • return type: type
  • parameters:
    • min: minimum number to start random from.
    • max: maximum number random number end before.
  • returns: random integer between two integer values.
  • availability: iOS 8+ tvOS 9+ watchOS 3+ macOS 10.10+.

Example

Int.randomBetween(min: 5, max: 25) -> 20

--

Infix Operator **

Value of exponentiation.

  • type: Infix Operator.
  • return type: Double
  • availability: iOS 8+ tvOS 9+ watchOS 3+ macOS 10.10+.

Example

2 ** 3 -> 8
5 ** 2 -> 25

--

Prefix Operator √

Square root of integer.

  • type: Prefix Operator.
  • return type: Double
  • availability: iOS 8+ tvOS 9+ watchOS 3+ macOS 10.10+.

Example

√ 25 -> 5.0

--

Infix Operator ±

Tuple of plus-minus operation.

  • type: Infix Operator.
  • return type: Double
  • availability: iOS 8+ tvOS 9+ watchOS 3+ macOS 10.10+.

Example

2 ± 2 -> (0, 4)

--

Prefix Operator ±

Tuple of plus-minus operation.

  • type: Infix Operator.
  • return type: Double
  • availability: iOS 8+ tvOS 9+ watchOS 3+ macOS 10.10+.

Example

± 2 -> (-2, 2)