Merge pull request #1646 from aarroyoc/docs-assoc

Compatible Doclog docs for library(assoc)
This commit is contained in:
Mark Thom
2022-12-05 06:04:30 +01:00
committed by GitHub

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@@ -54,25 +54,24 @@
:- use_module(library(lists)).
/** <module> Binary associations
/** Binary associations
Assocs are Key-Value associations implemented as a balanced binary tree
(AVL tree).
@see library(pairs), library(rbtrees)
@author R.A.O'Keefe, L.Damas, V.S.Costa and Jan Wielemaker
Authors: R.A.O'Keefe, L.Damas, V.S.Costa and Jan Wielemaker
*/
:- meta_predicate map_assoc(1, ?).
:- meta_predicate map_assoc(2, ?, ?).
%! empty_assoc(?Assoc) is semidet.
%% empty_assoc(?Assoc) is semidet.
%
% Is true if Assoc is the empty association list.
empty_assoc(t).
%! assoc_to_list(+Assoc, -Pairs) is det.
%% assoc_to_list(+Assoc, -Pairs) is det.
%
% Translate Assoc to a list Pairs of Key-Value pairs. The keys
% in Pairs are sorted in ascending order.
@@ -86,7 +85,7 @@ assoc_to_list(t(Key,Val,_,L,R), List, Rest) :-
assoc_to_list(t, List, List).
%! assoc_to_keys(+Assoc, -Keys) is det.
%% assoc_to_keys(+Assoc, -Keys) is det.
%
% True if Keys is the list of keys in Assoc. The keys are sorted
% in ascending order.
@@ -100,7 +99,7 @@ assoc_to_keys(t(Key,_,_,L,R), List, Rest) :-
assoc_to_keys(t, List, List).
%! assoc_to_values(+Assoc, -Values) is det.
%% assoc_to_values(+Assoc, -Values) is det.
%
% True if Values is the list of values in Assoc. Values are
% ordered in ascending order of the key to which they were
@@ -114,7 +113,7 @@ assoc_to_values(t(_,Value,_,L,R), List, Rest) :-
assoc_to_values(R, More, Rest).
assoc_to_values(t, List, List).
%! is_assoc(+Assoc) is semidet.
%% is_assoc(+Assoc) is semidet.
%
% True if Assoc is an association list. This predicate checks
% that the structure is valid, elements are in order, and tree
@@ -151,12 +150,10 @@ balance(=,-).
balance(<,<).
balance(>,>).
%! gen_assoc(?Key, +Assoc, ?Value) is nondet.
%% gen_assoc(?Key, +Assoc, ?Value) is nondet.
%
% True if Key-Value is an association in Assoc. Enumerates keys in
% ascending order on backtracking.
%
% @see get_assoc/3.
gen_assoc(Key, Assoc, Value) :-
( ground(Key)
@@ -171,11 +168,11 @@ gen_assoc_(Key, t(_,_,_,_,R), Val) :-
gen_assoc_(Key, R, Val).
%! get_assoc(+Key, +Assoc, -Value) is semidet.
%% get_assoc(+Key, +Assoc, -Value) is semidet.
%
% True if Key-Value is an association in Assoc.
%
% @error type_error(assoc, Assoc) if Assoc is not an association list.
% Throws error: type_error(assoc, Assoc) if Assoc is not an association list.
get_assoc(Key, Assoc, Val) :-
must_be(assoc, Assoc),
@@ -201,7 +198,7 @@ get_assoc(>, Key, _, _, Tree, Val) :-
% :- endif.
%! get_assoc(+Key, +Assoc0, ?Val0, ?Assoc, ?Val) is semidet.
%% get_assoc(+Key, +Assoc0, ?Val0, ?Assoc, ?Val) is semidet.
%
% True if Key-Val0 is in Assoc0 and Key-Val is in Assoc.
@@ -216,12 +213,12 @@ get_assoc(>, Key, V, L, R, Val, V, L, NR, NVal) :-
get_assoc(Key, R, Val, NR, NVal).
%! list_to_assoc(+Pairs, -Assoc) is det.
%% list_to_assoc(+Pairs, -Assoc) is det.
%
% Create an association from a list Pairs of Key-Value pairs. List
% must not contain duplicate keys.
%
% @error domain_error(unique_key_pairs, List) if List contains duplicate keys
% Throws error: domain_error(unique_key_pairs, List) if List contains duplicate keys
list_to_assoc(List, Assoc) :-
( List = [] -> Assoc = t
@@ -246,13 +243,13 @@ list_to_assoc(N, List, More, Depth, t(K,V,Balance,L,R)) :-
compare(B, RDepth, LDepth),
balance(B, Balance).
%! ord_list_to_assoc(+Pairs, -Assoc) is det.
%% ord_list_to_assoc(+Pairs, -Assoc) is det.
%
% Assoc is created from an ordered list Pairs of Key-Value
% pairs. The pairs must occur in strictly ascending order of
% their keys.
%
% @error domain_error(key_ordered_pairs, List) if pairs are not ordered.
% Throws error: domain_error(key_ordered_pairs, List) if pairs are not ordered.
ord_list_to_assoc(Sorted, Assoc) :-
( Sorted = [] -> Assoc = t
@@ -263,7 +260,7 @@ ord_list_to_assoc(Sorted, Assoc) :-
)
).
%! ord_pairs(+Pairs) is semidet
%% ord_pairs(+Pairs) is semidet
%
% True if Pairs is a list of Key-Val pairs strictly ordered by key.
@@ -274,7 +271,7 @@ ord_pairs([K-_V|Rest], K0) :-
K0 @< K,
ord_pairs(Rest, K).
%! map_assoc(:Pred, +Assoc) is semidet.
%% map_assoc(:Pred, +Assoc) is semidet.
%
% True if Pred(Value) is true for all values in Assoc.
@@ -287,7 +284,7 @@ map_assoc_(t(_,Val,_,L,R), Pred) :-
call(Pred, Val),
map_assoc_(R, Pred).
%! map_assoc(:Pred, +Assoc0, ?Assoc) is semidet.
%% map_assoc(:Pred, +Assoc0, ?Assoc) is semidet.
%
% Map corresponding values. True if Assoc is Assoc0 with Pred
% applied to all corresponding pairs of of values.
@@ -302,7 +299,7 @@ map_assoc_(t(Key,Val,B,L0,R0), Pred, t(Key,Ans,B,L1,R1)) :-
map_assoc_(R0, Pred, R1).
%! max_assoc(+Assoc, -Key, -Value) is semidet.
%% max_assoc(+Assoc, -Key, -Value) is semidet.
%
% True if Key-Value is in Assoc and Key is the largest key.
@@ -314,7 +311,7 @@ max_assoc(t(K,V,_,_,R), _, _, Key, Val) :-
max_assoc(R, K, V, Key, Val).
%! min_assoc(+Assoc, -Key, -Value) is semidet.
%% min_assoc(+Assoc, -Key, -Value) is semidet.
%
% True if Key-Value is in assoc and Key is the smallest key.
@@ -326,7 +323,7 @@ min_assoc(t(K,V,_,L,_), _, _, Key, Val) :-
min_assoc(L, K, V, Key, Val).
%! put_assoc(+Key, +Assoc0, +Value, -Assoc) is det.
%% put_assoc(+Key, +Assoc0, +Value, -Assoc) is det.
%
% Assoc is Assoc0, except that Key is associated with
% Value. This can be used to insert and change associations.
@@ -361,7 +358,7 @@ table(< , right , - , no , no ) :- !.
table(> , left , - , no , no ) :- !.
table(> , right , - , no , yes ) :- !.
%! del_min_assoc(+Assoc0, ?Key, ?Val, -Assoc) is semidet.
%% del_min_assoc(+Assoc0, ?Key, ?Val, -Assoc) is semidet.
%
% True if Key-Value is in Assoc0 and Key is the smallest key.
% Assoc is Assoc0 with Key-Value removed. Warning: This will
@@ -375,7 +372,7 @@ del_min_assoc(t(K,V,B,L,R), Key, Val, NewTree, Changed) :-
del_min_assoc(L, Key, Val, NewL, LeftChanged),
deladjust(LeftChanged, t(K,V,B,NewL,R), left, NewTree, Changed).
%! del_max_assoc(+Assoc0, ?Key, ?Val, -Assoc) is semidet.
%% del_max_assoc(+Assoc0, ?Key, ?Val, -Assoc) is semidet.
%
% True if Key-Value is in Assoc0 and Key is the greatest key.
% Assoc is Assoc0 with Key-Value removed. Warning: This will
@@ -389,7 +386,7 @@ del_max_assoc(t(K,V,B,L,R), Key, Val, NewTree, Changed) :-
del_max_assoc(R, Key, Val, NewR, RightChanged),
deladjust(RightChanged, t(K,V,B,L,NewR), right, NewTree, Changed).
%! del_assoc(+Key, +Assoc0, ?Value, -Assoc) is semidet.
%% del_assoc(+Key, +Assoc0, ?Value, -Assoc) is semidet.
%
% True if Key-Value is in Assoc0. Assoc is Assoc0 with
% Key-Value removed.