Char Docs

from_ascii_byte : U8 -> Try(Char, [InvalidAscii])

Parse an ASCII code point to a Char, returning an error if the code point is not in the range 0 to 127 inclusive.

to_ascii_byte : Char -> U8

Get the corresponding ASCII code point of a Char.

is_eq : Char, Char -> Bool

Check whether two ASCII characters are equal.

compare : Char, Char -> [LT, EQ, GT]

Compare the ASCIIbetical order of two ASCII characters, i.e. by comparing their code points.

sort_asc : List(Char) -> List(Char)

Sort a list of ASCII characters in ascending ASCIIbetical order.

sort_desc : List(Char) -> List(Char)

Sort a list of ASCII characters in descending ASCIIbetical order.

character_set : Char -> [LowercaseLetter, UppercaseLetter, Digit, Whitespace, Punctuation, Control]

Get the ASCII character set of a character.

is_lowercase : Char -> Bool

Check if an ASCII character is a lowercase letter.

is_uppercase : Char -> Bool

Check if an ASCII character is an uppercase letter.

is_letter : Char -> Bool

Check if an ASCII character is a letter.

is_digit : Char -> Bool

Check if an ASCII character is a digit.

is_alphanumeric : Char -> Bool

Check if an ASCII character is an alphanumeric character, i.e. a letter or a digit.

is_oct_digit : Char -> Bool

Check if an ASCII character is an octal digit, i.e. a digit in the range 0 to 7 inclusive.

is_hex_digit : Char -> Bool

Check if an ASCII character is a hexadecimal digit, i.e. a digit or a letter in the range 0 to 9, a to f, or A to F.

is_whitespace : Char -> Bool

Check if an ASCII character is a whitespace character.

is_punctuation : Char -> Bool

Check if an ASCII character is a punctuation character.

is_control : Char -> Bool

Check if an ASCII character is a control character.

is_printable : Char -> Bool

Check if an ASCII character is a printable character.

to_uppercase : Char -> Char

Convert a character to uppercase if it is a lowercase letter, otherwise return the character unchanged.

to_lowercase : Char -> Char

Convert a character to lowercase if it is an uppercase letter, otherwise return the character unchanged.

lowercase_alphabet : List(Char)

All the lowercase ASCII letters.

uppercase_alphabet : List(Char)

All the uppercase ASCII letters.

alphabet : List(Char)

All the ASCII letters.

digits : List(Char)

All the ASCII digits.

whitespace : List(Char)

All the ASCII whitespace characters.

punctuation : List(Char)

All the ASCII punctuation characters.

control : List(Char)

All the ASCII control characters.

printable : List(Char)

All the ASCII printable characters.

all : List(Char)

All possible ASCII characters, in ASCIIbetical order.

nul : Char

The ASCII "Null" (␀) control character

soh : Char

The ASCII "Start of Heading" (␁) control character

stx : Char

The ASCII "Start of Text" (␂) control character

etx : Char

The ASCII "End of Text" (␃) control character

eot : Char

The ASCII "End of Transmission" (␄) control character

enq : Char

The ASCII "Enquiry" (␅) control character

ack : Char

The ASCII "Acknowledgement" (␆) control character

bel : Char

The ASCII "Bell" (␇) control character

bs : Char

The ASCII "Backspace" (␈) control character

ht : Char

The ASCII "Horizontal Tab" (␉) control character

lf : Char

The ASCII "Line Feed" (␊) control character

vt : Char

The ASCII "Vertical Tab" (␋) control character

ff : Char

The ASCII "Form Feed" (␌) control character

cr : Char

The ASCII "Carriage Return" (␍) control character

so : Char

The ASCII "Shift Out" (␎) control character

si : Char

The ASCII "Shift In" (␏) control character

dle : Char

The ASCII "Data Link Escape" (␐) control character

dc1 : Char

The ASCII "Device Control 1/XON" (␑) control character

dc2 : Char

The ASCII "Device Control 2" (␒) control character

dc3 : Char

The ASCII "Device Control 3/XOFF" (␓) control character

dc4 : Char

The ASCII "Device Control 4" (␔) control character

nak : Char

The ASCII "Negative Acknowledgement" (␕) control character

syn : Char

The ASCII "Synchronous Idle" (␖) control character

etb : Char

The ASCII "End of Transmission Block" (␗) control character

can : Char

The ASCII "Cancel" (␘) control character

em : Char

The ASCII "End of Medium" (␙) control character

sub : Char

The ASCII "Substitute" (␚) control character

esc : Char

The ASCII "Escape" (␛) control character

fs : Char

The ASCII "File Separator" (␜) control character

gs : Char

The ASCII "Group Separator" (␝) control character

rs : Char

The ASCII "Record Separator" (␞) control character

us : Char

The ASCII "Unit Separator" (␟) control character

del : Char

The ASCII "Delete" (␡) control character