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Property test specs and add coverage
[hope.git]
/
src
/
hope_kv_list.erl
diff --git
a/src/hope_kv_list.erl
b/src/hope_kv_list.erl
index
3ca9d07
..
3c392ee
100644
(file)
--- a/
src/hope_kv_list.erl
+++ b/
src/hope_kv_list.erl
@@
-14,6
+14,7
@@
, get/2
, set/3
, update/3
, get/2
, set/3
, update/3
+ , pop/2
, iter/2
, map/2
, filter/2
, iter/2
, map/2
, filter/2
@@
-51,6
+52,12
@@
update(T, K, F) ->
% TODO: Eliminate the 2nd lookup.
set(T, K, V2).
% TODO: Eliminate the 2nd lookup.
set(T, K, V2).
+pop(T1, K) ->
+ case lists:keytake(K, 1, T1)
+ of {value, {K, V}, T2} -> {{some, V}, T2}
+ ; false -> {none , T1}
+ end.
+
iter(T, F1) ->
F2 = lift_map(F1),
lists:foreach(F2, T).
iter(T, F1) ->
F2 = lift_map(F1),
lists:foreach(F2, T).
@@
-65,7
+72,7
@@
filter(T, F1) ->
fold(T, F1, Accumulator) ->
F2 = fun ({K, V}, Acc) -> F1(K, V, Acc) end,
fold(T, F1, Accumulator) ->
F2 = fun ({K, V}, Acc) -> F1(K, V, Acc) end,
- lists:foldl(F2,
T, Accumulator
).
+ lists:foldl(F2,
Accumulator, T
).
to_kv_list(T) ->
T.
to_kv_list(T) ->
T.
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