protocol

`iso_639_protocol`

Protocol for ISO 639 language and language-group lookups.

Availability:

logtalk_load(iso_639(loader))

Author: Paulo Moura
Version: 1:0:0
Date: 2026-05-05

Compilation flags:

static

Dependencies:

(none)

Remarks:

(none)

Inherited public predicates:

(none)

Public predicates 

`language/3`

Enumerates ISO 639-1 entries as alpha-2, alpha-3, and English name tuples.

Compilation flags:

static

Template:

language(Alpha2,Alpha3,Name)

Mode and number of proofs:

language(?atom,?atom,?atom) - zero_or_more

Enumerates ISO 639-2 entries as bibliographic code, terminologic code, alpha-2 code, English name, and class tuples. The class is one of individual, macrolanguage, collective, special, or local_use.

Compilation flags:

static

Template:

language_code(Bibliographic,Terminologic,Alpha2,Name,Class)

Mode and number of proofs:

language_code(?atom,?atom,?atom,?atom,?atom) - zero_or_more

`language/5`

Enumerates ISO 639-3 entries as alpha-3 code, alpha-2 code, scope, type, and English name tuples. The scope is one of individual, macrolanguage, collective, or special and the type is one of living, extinct, ancient, constructed, or special.

Compilation flags:

static

Template:

language(Alpha3,Alpha2,Scope,Type,Name)

Mode and number of proofs:

language(?atom,?atom,?atom,?atom,?atom) - zero_or_more

`language_group/2`

Enumerates ISO 639-5 entries as group code and English name tuples.

Compilation flags:

static

Template:

language_group(Code,Name)

Mode and number of proofs:

language_group(?atom,?atom) - zero_or_more

Protected predicates 

(none)

Private predicates 

(none)

Operators 

(none)

iso_639_protocol

`iso_639_protocol`