isWholeNumber

Other members in extension

Typealiases

• typealias UTF16View

  A view of a character’s contents as a collection of UTF-16 code units. See String.UTF16View for more information

• typealias UTF8View

  A view of a character’s contents as a collection of UTF-8 code units. See String.UTF8View for more information

• typealias UnicodeScalarView

Type members

• init(String)

  Creates a character from a single-character string.

• init(Unicode.Scalar)

  Creates a character containing the given Unicode scalar value.

• init(extendedGraphemeClusterLiteral: Character)

  Creates a character with the specified value.

• static func < (lhs: Character, rhs: Character) -> Bool
• static func == (lhs: Character, rhs: Character) -> Bool

Instance members

• var asciiValue: UInt8?

  The ASCII encoding value of this character, if it is an ASCII character.

• var customMirror: Mirror

  A mirror that reflects the Character instance.

• var debugDescription: String

  A textual representation of the character, suitable for debugging.

• var description: String
• var hexDigitValue: Int?

  The numeric value this character represents, if it is a hexadecimal digit.

• var isASCII: Bool

  A Boolean value indicating whether this is an ASCII character.

• var isCased: Bool

  A Boolean value indicating whether this character changes under any form of case conversion.

• var isCurrencySymbol: Bool

  A Boolean value indicating whether this character represents a currency symbol.

• var isHexDigit: Bool

  A Boolean value indicating whether this character represents a hexadecimal digit.

• var isLetter: Bool

  A Boolean value indicating whether this character is a letter.

• var isLowercase: Bool

  A Boolean value indicating whether this character is considered lowercase.

• var isMathSymbol: Bool

  A Boolean value indicating whether this character represents a symbol that naturally appears in mathematical contexts.

• var isNewline: Bool

  A Boolean value indicating whether this character represents a newline.

• var isNumber: Bool

  A Boolean value indicating whether this character represents a number.

• var isPunctuation: Bool

  A Boolean value indicating whether this character represents punctuation.

• var isSymbol: Bool

  A Boolean value indicating whether this character represents a symbol.

• var isUppercase: Bool

  A Boolean value indicating whether this character is considered uppercase.

• var isWhitespace: Bool

  A Boolean value indicating whether this character represents whitespace, including newlines.

• var unicodeScalars: Character.UnicodeScalarView
• var utf16: Character.UTF16View

  A UTF-16 encoding of self.

• var utf8: Character.UTF8View

  A UTF-8 encoding of self.

• var wholeNumberValue: Int?

  The numeric value this character represents, if it represents a whole number.

• func hash(into: inout Hasher)

  Hashes the essential components of this value by feeding them into the given hasher.

• func lowercased() -> String

  Returns a lowercased version of this character.

• func uppercased() -> String

  Returns an uppercased version of this character.

• func write<Target>(to: inout Target)

  Writes the character into the given output stream.