Anonymous Quiz
    35%
    isNumeric()
      
    35%
    isNumber()
      
    22%
    isDigit()
      
    9%
    allSatisfy(_:)
      
    Anonymous Quiz
    37%
    Equatable
      
    14%
    Hashable
      
    11%
    Switchable
      
    38%
    CaseIterable
      
    Anonymous Quiz
    5%
    lowercaseString()
      
    66%
    lowercased()
      
    7%
    toLower()
      
    21%
    lowercase()
      
    Anonymous Quiz
    17%
    TupleConvertible
      
    18%
    TupleRepresentable
      
    33%
    Equatable
      
    31%
    Hashable
      
    Anonymous Quiz
    53%
    substring(from:to:)
      
    7%
    substr(start:end:)
      
    17%
    slice(from:to:)
      
    23%
    substring(with:)
      
    Anonymous Quiz
    27%
    removeSpaces()
      
    11%
    trimSpaces()
      
    57%
    replacingOccurrences(of:with:)
      
    4%
    deleteSpaces()
      
    Anonymous Quiz
    33%
    split(using:)
      
    50%
    components(separatedBy:)
      
    15%
    divide(separator:)
      
    3%
    tokenize(with:)
      
    Anonymous Quiz
    21%
    Boolean
      
    78%
    Bool
      
    0%
    Logical
      
    1%
    Logic
      
    Anonymous Quiz
    83%
    true
      
    6%
    false
      
    10%
    nil
      
    1%
    0
      
    Anonymous Quiz
    45%
    CustomStringConvertible
      
    6%
    CustomDebugStringConvertible
      
    5%
    TextOutputStreamable
      
    44%
    StringRepresentable
      
    Anonymous Quiz
    57%
    sorted()
      
    39%
    sort()
      
    2%
    order()
      
    3%
    arrange()
      
    Anonymous Quiz
    6%
    Set
      
    83%
    Array
      
    6%
    Dictionary
      
    6%
    Tuple
      
    Anonymous Quiz
    7%
    Char
      
    38%
    Character
      
    54%
    String
      
    2%
    Text
      
    Anonymous Quiz
    12%
    4
      
    87%
    5
      
    1%
    6
      
    0%
    3
      
    Anonymous Quiz
    16%
    subArray(from:to:)
      
    30%
    slice(from:to:)
      
    38%
    range(from:to:)
      
    16%
    Array(_:Range)
      
    Anonymous Quiz
    15%
    Integer
      
    83%
    Int
      
    2%
    Number
      
    0%
    Float
      
    Anonymous Quiz
    92%
    true
      
    2%
    false
      
    6%
    nil
      
    0%
    1
      
    Anonymous Quiz
    18%
    insert(:forKey:)
      
    23%
    append(:forKey:)
      
    50%
    updateValue(:forKey:)
      
    9%
    add(:forKey:)
      
    Anonymous Quiz
    95%
    10
      
    2%
    20
      
    3%
    30
      
    0%
    nil
      
    Anonymous Quiz
    10%
    clear()
      
    83%
    removeAll()
      
    5%
    deleteAll()
      
    2%
    purge()