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Pack logtalk -- logtalk-3.77.0/docs/_sources/datep_0.rst.txt

.. index:: datep .. _datep/0:

.. rst-class:: right

protocol

datep

Date protocol.

| Availability: | logtalk_load(dates(loader))

| Author: Paulo Moura | Version: 1:1:0 | Date: 2005-03-17

| Compilation flags: | static

| Dependencies: | (none)

| Remarks: | (none)

| Inherited public predicates: | (none)

.. contents:: :local: :backlinks: top

Public predicates

.. index:: today/3 .. _datep/0::today/3:

today/3 ^^^^^^^^^^^

Returns current date.

| Compilation flags: | static

| Template: | today(Year,Month,Day) | Mode and number of proofs: | today(-integer,-integer,-integer) - one


.. index:: leap_year/1 .. _datep/0::leap_year/1:

leap_year/1 ^^^^^^^^^^^^^^^

True if the argument is a leap year.

| Compilation flags: | static

| Template: | leap_year(Year) | Mode and number of proofs: | leap_year(+integer) - zero_or_one


.. index:: name_of_day/3 .. _datep/0::name_of_day/3:

name_of_day/3 ^^^^^^^^^^^^^^^^^

Name and short name of day.

| Compilation flags: | static

| Template: | name_of_day(Index,Name,Short) | Mode and number of proofs: | name_of_day(?integer,?atom,?atom) - zero_or_more


.. index:: name_of_month/3 .. _datep/0::name_of_month/3:

name_of_month/3 ^^^^^^^^^^^^^^^^^^^

Name and short name of month.

| Compilation flags: | static

| Template: | name_of_month(Index,Name,Short) | Mode and number of proofs: | name_of_month(?integer,?atom,?atom) - zero_or_more


.. index:: days_in_month/3 .. _datep/0::days_in_month/3:

days_in_month/3 ^^^^^^^^^^^^^^^^^^^

Number of days in a month.

| Compilation flags: | static

| Template: | days_in_month(Month,Year,Days) | Mode and number of proofs: | days_in_month(?integer,+integer,?integer) - zero_or_more


.. index:: valid/3 .. _datep/0::valid/3:

valid/3 ^^^^^^^^^^^

True if the arguments represent a valid date.

| Compilation flags: | static

| Template: | valid(Year,Month,Day) | Mode and number of proofs: | valid(@integer,@integer,@integer) - zero_or_one


Protected predicates

(none)

Private predicates

(none)

Operators

(none)

.. seealso::

:ref:`date <date/0>`, :ref:`timep <timep/0>`