Crate tidyid 

Secure, human-friendly identifiers with a fixed LLD rhythm.

tidyid uses the operating system CSPRNG directly, rejects biased random values, and never falls back to a predictable source.

Structs

InvalidIdFormatError

Error returned when a value does not follow the TidyID format.

InvalidIdLengthError

Error returned when an ID length is outside 3..=256.

Enums

GenerateError

Error returned while generating an ID.

ValidationError

Error returned by ensure_valid_id.

Constants

DEFAULT_LENGTH

Recommended default ID length.

DIGITS

Unambiguous digits used at every third position.

LETTERS

Unambiguous lowercase letters used at letter positions.

LETTERS_WITH_UPPERCASE

Unambiguous uppercase and lowercase letters used when uppercase is enabled.

MAX_LENGTH

Largest supported ID length.

MIN_LENGTH

Smallest supported ID length.

Functions

ensure_valid_id

Validates a TidyID or returns an explicit length or format error.

get_id_capacity

Returns the exact number of possible IDs for a length and character mode.

get_id_entropy

Returns the entropy, in bits, for a length and character mode.

is_valid_id

Returns whether value follows the TidyID format.

tidyid

Generates an ID using fresh bytes from the platform CSPRNG.