protocol
queuep
¶
Queue protocol.
Author: Paulo Moura
Version: 1.0
Date: 2000/7/24
Compilation flags:
static
(no dependencies on other entities)
Public interface¶
empty/1
¶
True if the queue is empty.
Compilation flags:
static
Template:
empty(Queue)
Mode and number of proofs:
empty(@queue)
- zero_or_one
head/2
¶
Unifies Head with the first element of the queue.
Compilation flags:
static
Template:
head(Queue,Head)
Mode and number of proofs:
head(+queue,?term)
- zero_or_one
join/3
¶
Adds the new element at the end of the queue.
Compilation flags:
static
Template:
join(Element,Queue_in,Queue_out)
Mode and number of proofs:
join(@term,+queue,-queue)
- zero_or_one
join_all/3
¶
Adds the new elements at the end of the queue. The elements are added in the same order that they appear in the list.
Compilation flags:
static
Template:
join_all(List,Queue_in,Queue_out)
Mode and number of proofs:
join_all(+list,+queue,-queue)
- zero_or_one
jump/3
¶
Adds the new element at the front of the queue.
Compilation flags:
static
Template:
jump(Element,Queue_in,Queue_out)
Mode and number of proofs:
jump(@term,+queue,-queue)
- zero_or_one
jump_all/3
¶
Adds the new elements at the front of the queue. The elements are added in the same order that they appear in the list.
Compilation flags:
static
Template:
jump_all(Element,Queue_in,Queue_out)
Mode and number of proofs:
jump_all(+list,+queue,-queue)
- zero_or_one
length/2
¶
Queue length.
Compilation flags:
static
Template:
length(Queue,Length)
Mode and number of proofs:
length(+queue,?integer)
- zero_or_one
serve/3
¶
Removes the first element of the queue for service.
Compilation flags:
static
Template:
serve(Queue_in,Head,Queue_out)
Mode and number of proofs:
serve(+queue,?term,-queue)
- zero_or_one
as_list/2
¶
Converts a queue to a list.
Compilation flags:
static
Template:
as_list(Queue,List)
Mode and number of proofs:
as_list(+queue,-list)
- one
Protected interface¶
(none)
Private predicates¶
(none)
Operators¶
(none)
Remarks¶
(none)