operator prefix ..< { associativity precedence } Declarations prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In Strideable, Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In BinaryFloatingPoint, Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In FixedWidthInteger prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In FixedWidthInteger prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In FixedWidthInteger prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In FixedWidthInteger prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In FixedWidthInteger prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In StringProtocol, Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In FixedWidthInteger prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In FixedWidthInteger prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In FixedWidthInteger prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In FixedWidthInteger prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In FixedWidthInteger prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In Strideable, Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In Strideable, Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In Strideable, Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In Strideable, Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In Comparable prefix func ..<(_: Self) Returns a partial range up to, but not including, its upper bound. Use the prefix half-open range operator (prefix ..<) to create a partial range of any type that conforms to the Comparable protocol. This example creates a PartialRangeUpTo<Double> instance that includes any value less than 5.0. let upToFive = ..<5.0 upToFive.contains(3.14) // true upToFive.contains(6.28) // false upToFive.contains(5.0) // false You can use this type of partial range of a collection's indices to represent the range from the start of the collection up to, but not including, the partial range's upper bound. let numbers = [10, 20, 30, 40, 50, 60, 70] print(numbers[..<3]) // Prints "[10, 20, 30]" maximum: The upper bound for the range. Declaration prefix func ..<(maximum: Self) -> PartialRangeUpTo<Self> Declared In Comparable