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• Numbers

Hex

Functions for working with hexadecimal numbers in strings.

Subtopics

Parse-hex-from-string

Parse a hexadecimal number from a string, at some offset.

Hex-digit-char-p

Recognizer for hexadecimal digit characters: 0-9, A-F, a-f.

Nat-to-hex-chars

Convert a natural number into a list of hexadecimal bits.

Parse-hex-from-charlist

Parse a hexadecimal number from the beginning of a character list.

Hex-digit-chars-value

Coerces a hex-digit-char-list*p into a natural number.

Hex-digit-char-value

Coerces a hex-digit-char-p character into a number.

Take-leading-hex-digit-chars

Collect any leading hex digit characters from the start of a character list.

Hexify

Convert numbers into readable hex strings.

Hex-digit-char-listp

Recognize lists of hexadecimal digit characters.

Hex-digit-char-list*p

Recognizes lists of hex-digit-char-p characters.

Hex-digit-string-p

Recognizer for strings whose characters are hexadecimal digits.

Strval16

Interpret a string as a hexadecimal number.

Skip-leading-hex-digits

Skip over any leading hex digit characters at the start of a character list.

Nat-to-hex-string

Convert a natural number into a string with its hex digits.

Hexify-width

Convert numbers into readable hex strings, fixing the number of digits printed

Nonzero-hex-digit-char-p

Recognizer for non-zero hexadecimal digit characters: 1-9, A-F, a-f.

Nat-to-hex-string-list

Convert a list of natural numbers into a list of hex digit strings.

Revappend-nat-to-hex-chars

More efficient version of (revappend (nat-to-hex-chars n) acc).

Hex-digit-to-char

Convert a number from 0-15 into a hex character.

Nat-to-hex-string-size

Number of characters in the hexadecimal representation of a natural.