Strings are finite sequences of characters. Of course, the real trouble comes when one asks what a char- acter is. The characters that English speakers are familiar with are the letters A, B, C, etc., Julia has a first-class type for representing a single character, called AbstractChar. The built-in Char subtype of AbstractChar is a 32-bit primitive type that can represent any Unicode character (and implemented both efficiently and simply for variable-width encodings of Unicode strings. 7.1 Characters A Char value represents a single character: it is just a 32-bit primitive type with a special literal represen-

Strings are finite sequences of characters. Of course, the real trouble comes when one asks what a char- acter is. The characters that English speakers are familiar with are the letters A, B, C, etc., Julia has a first-class type for representing a single character, called AbstractChar. The built-in Char subtype of AbstractChar is a 32-bit primitive type that can represent any Unicode character (and implemented both efficiently and simply for variable-width encodings of Unicode strings. 7.1 Characters A Char value represents a single character: it is just a 32-bit primitive type with a special literal represen-

Arithmetic operations with Julia's integer types inherently perform modular arithmetic, mirroring the char- acteristics of integer arithmetic on modern computer hardware. In scenarios where overflow is a Strings are finite sequences of characters. Of course, the real trouble comes when one asks what a char- acter is. The characters that English speakers are familiar with are the letters A, B, C, etc., Julia has a first-class type for representing a single character, called AbstractChar. The built-in Char subtype of AbstractChar is a 32-bit primitive type that can represent any Unicode character (and

Arithmetic operations with Julia's integer types inherently perform modular arithmetic, mirroring the char- acteristics of integer arithmetic on modern computer hardware. In scenarios where overflow is a Strings are finite sequences of characters. Of course, the real trouble comes when one asks what a char- acter is. The characters that English speakers are familiar with are the letters A, B, C, etc., Julia has a first-class type for representing a single character, called AbstractChar. The built-in Char subtype of AbstractChar is a 32-bit primitive type that can represent any Unicode character (and

Arithmetic operations with Julia's integer types inherently perform modular arithmetic, mirroring the char- acteristics of integer arithmetic on modern computer hardware. In scenarios where overflow is a Strings are finite sequences of characters. Of course, the real trouble comes when one asks what a char- acter is. The characters that English speakers are familiar with are the letters A, B, C, etc., Julia has a first-class type for representing a single character, called AbstractChar. The built-in Char subtype of AbstractChar is a 32-bit primitive type that can represent any Unicode character (and

Julia has a first-class type for representing a single character, called AbstractChar. The built-in Char subtype of AbstractChar is a 32-bit primitive type that can represent any Unicode character (and simply for variable-width encodings of Unicode strings. 39 CHAPTER 7. STRINGS 40 7.1 Characters A Char value represents a single character: it is just a 32-bit primitive type with a special literal representation encodings.) Here is how Char values are input and shown: julia> c = 'x' 'x': ASCII/Unicode U+0078 (category Ll: Letter, lowercase) julia> typeof(c) Char You can easily convert a Char to its integer value

Julia has a first-class type for representing a single character, called AbstractChar. The built-in Char subtype of AbstractChar is a 32-bit primitive type that can represent any Unicode character (and simply for variable-width encodings of Unicode strings. 39 CHAPTER 7. STRINGS 40 7.1 Characters A Char value represents a single character: it is just a 32-bit primitive type with a special literal representation encodings.) Here is how Char values are input and shown: julia> c = 'x' 'x': ASCII/Unicode U+0078 (category Ll: Letter, lowercase) julia> typeof(c) Char You can easily convert a Char to its integer value

Julia has a first-class type for representing a single character, called AbstractChar. The built-in Char subtype of AbstractChar is a 32-bit primitive type that can represent any Unicode character (and simply for variable-width encodings of Unicode strings. 39 CHAPTER 7. STRINGS 40 7.1 Characters A Char value represents a single character: it is just a 32-bit primitive type with a special literal representation encodings.) Here is how Char values are input and shown: julia> c = 'x' 'x': ASCII/Unicode U+0078 (category Ll: Letter, lowercase) julia> typeof(c) Char You can easily convert a Char to its integer value

Julia has a first-class type for representing a single character, called AbstractChar. The built-in Char subtype of AbstractChar is a 32-bit primitive type that can represent any Unicode character (and simply for variable-width encodings of Unicode strings. 43 44 CHAPTER 7. STRINGS 7.1 Characters A Char value represents a single character: it is just a 32-bit primitive type with a special literal representation encodings.) Here is how Char values are input and shown: julia> c = 'x' 'x': ASCII/Unicode U+0078 (category Ll: Letter, lowercase) julia> typeof(c) Char You can easily convert a Char to its integer value

Julia has a first-class type for representing a single character, called AbstractChar. The built-in Char subtype of AbstractChar is a 32-bit primitive type that can represent any Unicode character (and simply for variable-width encodings of Unicode strings. 39 CHAPTER 7. STRINGS 40 7.1 Characters A Char value represents a single character: it is just a 32-bit primitive type with a special literal representation encodings.) Here is how Char values are input and shown: julia> c = 'x' 'x': ASCII/Unicode U+0078 (category Ll: Letter, lowercase) julia> typeof(c) Char You can easily convert a Char to its integer value