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• Numbers

Octal

Functions for working with octal numbers in strings.

Subtopics

Parse-octal-from-string

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

Parse-octal-from-charlist

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

Nat-to-oct-chars

Convert a natural number into a list of octal bits.

Oct-digit-chars-value

Coerces a oct-digit-char-listp into a natural number.

Oct-digit-char-p

Recognizer for octal digit characters: 0-7.

Take-leading-oct-digit-chars

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

Oct-digit-char-value

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

Oct-digit-char-listp

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

Skip-leading-octal-digits

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

Strval8

Interpret a string as a octal number.

Oct-digit-string-p

Recognizer for strings whose characters are octal digits.

Nat-to-oct-string

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

Nat-to-oct-string-list

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

Revappend-nat-to-oct-chars

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

Nonzero-oct-digit-char-p

Recognizer for non-zero octal digit characters: 1-7.

Nat-to-oct-string-size

Number of characters in the octal representation of a natural.

Octal-digit-to-char

Convert a number from 0-7 into a octal character.