Distinct until changed

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⚠️ clang-tidy found issue(s) with the introduced code (1/1)

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Codecov Report

Merging #186 (fe7b45a) into main (a2cfc22) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #186   +/-   ##
=======================================
  Coverage   99.69%   99.70%           
=======================================
  Files          75       77    +2     
  Lines         994     1007   +13     
=======================================
+ Hits          991     1004   +13     
  Misses          3        3           

Impacted Files	Coverage Δ
src/rpp/rpp/observables/interface_observable.hpp	100.00% <ø> (ø)
src/rpp/rpp/operators/distinct_until_changed.hpp	100.00% <100.00%> (ø)
...c/rpp/rpp/operators/fwd/distinct_until_changed.hpp	100.00% <100.00%> (ø)
src/rpp/rpp/operators/with_latest_from.hpp	100.00% <100.00%> (ø)

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Kudos, SonarCloud Quality Gate passed!   

0 Bugs
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0 Security Hotspots
4 Code Smells

0.0% Coverage
0.0% Duplication

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Linux CLANG

Observable construction

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable construction	0.40ns	0.334676	1.20	0.40ns
Dynamic observable construction	28.79ns	29.2822	0.98	25.33ns
Specific observable construction + as_dynamic	28.57ns	29.2152	0.98	25.36ns

Observable lift

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable lift specific observer	78.28ns	70.9327	1.10	286.03ns
Specific observable lift dynamic observer	105.44ns	94.6675	1.11	316.03ns
Dynamic observable lift specific observer	159.82ns	157.589	1.01	341.56ns
Dynamic observable lift dynamic observer	179.25ns	164.691	1.09	326.39ns

Observable subscribe

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable subscribe specific observer	48.78ns	45.2547	1.08	289.34ns
Specific observable subscribe dynamic observer	61.25ns	58.3261	1.05	296.41ns
Dynamic observable subscribe specific observer	111.71ns	112.182	1.00	333.00ns
Dynamic observable subscribe dynamic observer	114.48ns	109.502	1.05	318.27ns

Observable subscribe #2

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable subscribe lambda	48.76ns	45.1308	1.08	290.30ns
Dynamic observable subscribe lambda	110.94ns	109.79	1.01	333.70ns
Specific observable subscribe lambda without subscription	48.76ns	45.2346	1.08	280.56ns
Dynamic observable subscribe lambda without subscription	111.28ns	109.702	1.01	336.25ns
Specific observable subscribe specific subscriber	16.10ns	16.72	0.96	218.06ns
Dynamic observable subscribe specific subscriber	78.40ns	78.6646	1.00	266.82ns
Specific observable subscribe dynamic observer	16.04ns	16.7341	0.96	236.98ns
Dynamic observable subscribe dynamic observer	68.24ns	63.276	1.08	256.50ns

Observer construction

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observer construction	0.40ns	0.67014	0.60	0.40ns
Dynamic observer construction	32.33ns	29.1348	1.11	19.67ns
Specific observer construction + as_dynamic	31.46ns	29.1262	1.08	19.71ns

OnNext

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observer OnNext	0.44ns	0.669477	0.66	0.44ns
Dynamic observer OnNext	1.66ns	1.67508	0.99	1.60ns

Operators

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
map construction from observable via dot + subscribe	76.07ns	71.199	1.07	241.05ns

Subscriber construction

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Make subsriber	32.70ns	32.4714	1.01	66.91ns
Make copy of subscriber	16.08ns	16.7224	0.96	5.09ns
Transform subsriber to dynamic	47.42ns	46.637	1.02	25.46ns

Subscription

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
composite_subscription create	34.06ns	31.4917	1.08	48.51ns
composite_subscription add	48.70ns	45.3941	1.07	20.88ns
composite_subscription unsubscribe	8.05ns	6.02106	1.34	13.66ns

foundamental sources

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
empty	16.07ns	16.7561	0.96	31.46ns
error	48.23ns	49.267	0.98	73.04ns
never	16.09ns	16.7465	0.96	228.12ns

from

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
from vector with int	25.81ns	27.8297	0.93	54.13ns

just

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
just send int	16.10ns	16.7397	0.96	31.41ns
just send variadic	18.94ns	16.7844	1.13	39.13ns

merge

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
merge	16.82ns	17.4012	0.97	129.85ns
merge_with	77.73ns	79.2692	0.98	294.58ns

publish_subject callbacks

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
on_next	29.43ns	24.3934	1.21	8.89ns
on_error	2.02ns	2.07482	0.98	18.99ns
on_completed	1.74ns	2.01803	0.86	0.80ns

publish_subject routines

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
construct	166.13ns	171.489	0.97	153.93ns
get_observable	33.82ns	29.0727	1.16	45.89ns
get_subscriber	67.37ns	62.295	1.08	13.23ns

Linux GCC

Observable construction

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable construction	0.32ns	0.310112	1.05	0.36ns
Dynamic observable construction	20.31ns	18.6252	1.09	38.10ns
Specific observable construction + as_dynamic	20.42ns	19.4265	1.05	40.32ns

Observable lift

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable lift specific observer	31.27ns	31.3646	1.00	408.50ns
Specific observable lift dynamic observer	29.76ns	30.886	0.96	405.10ns
Dynamic observable lift specific observer	76.75ns	82.9743	0.92	488.78ns
Dynamic observable lift dynamic observer	78.15ns	77.5147	1.01	404.26ns

Observable subscribe

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable subscribe specific observer	22.54ns	19.2907	1.17	346.69ns
Specific observable subscribe dynamic observer	21.82ns	20.2148	1.08	382.39ns
Dynamic observable subscribe specific observer	55.38ns	51.6359	1.07	568.82ns
Dynamic observable subscribe dynamic observer	46.14ns	41.4309	1.11	398.31ns

Observable subscribe #2

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable subscribe lambda	21.22ns	21.2073	1.00	339.22ns
Dynamic observable subscribe lambda	55.92ns	55.6153	1.01	388.35ns
Specific observable subscribe lambda without subscription	20.85ns	23.2569	0.90	362.84ns
Dynamic observable subscribe lambda without subscription	51.57ns	45.4033	1.14	586.94ns
Specific observable subscribe specific subscriber	7.03ns	4.60617	1.53	306.17ns
Dynamic observable subscribe specific subscriber	30.60ns	25.162	1.22	402.66ns
Specific observable subscribe dynamic observer	4.75ns	4.54387	1.04	337.62ns
Dynamic observable subscribe dynamic observer	18.70ns	15.0176	1.25	370.05ns

Observer construction

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observer construction	0.52ns	0.313996	1.66	0.33ns
Dynamic observer construction	20.19ns	16.4678	1.23	19.64ns
Specific observer construction + as_dynamic	18.16ns	18.0016	1.01	21.18ns

OnNext

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observer OnNext	0.35ns	0.334915	1.05	0.37ns
Dynamic observer OnNext	1.97ns	2.17227	0.91	1.95ns

Operators

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
map construction from observable via dot + subscribe	16.74ns	17.2429	0.97	373.68ns

Subscriber construction

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Make subsriber	20.52ns	18.8035	1.09	64.87ns
Make copy of subscriber	4.56ns	5.00234	0.91	5.60ns
Transform subsriber to dynamic	31.67ns	20.3684	1.55	30.13ns

Subscription

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
composite_subscription create	26.64ns	21.767	1.22	58.89ns
composite_subscription add	31.94ns	33.7908	0.95	17.60ns
composite_subscription unsubscribe	6.60ns	6.16642	1.07	11.70ns

foundamental sources

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
empty	4.33ns	4.51043	0.96	47.31ns
error	34.63ns	36.2612	0.95	94.44ns
never	4.13ns	4.20805	0.98	317.17ns

from

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
from vector with int	19.91ns	20.1439	0.99	66.77ns

just

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
just send int	4.87ns	4.01005	1.21	52.71ns
just send variadic	4.99ns	5.74183	0.87	81.85ns

merge

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
merge	4.00ns	4.24793	0.94	160.43ns
merge_with	43.12ns	51.8064	0.83	440.58ns

publish_subject callbacks

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
on_next	17.06ns	20.0646	0.85	11.96ns
on_error	0.65ns	0.697563	0.93	19.20ns
on_completed	1.15ns	0.615386	1.88	0.70ns

publish_subject routines

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
construct	115.75ns	107.496	1.08	176.55ns
get_observable	6.49ns	5.76049	1.13	48.26ns
get_subscriber	14.37ns	12.7127	1.13	25.25ns

Windows MSVC

Observable construction

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable construction	1.99ns	1.84133	1.08	0.79ns
Dynamic observable construction	96.06ns	97.9527	0.98	168.78ns
Specific observable construction + as_dynamic	103.02ns	97.8966	1.05	167.10ns

Observable lift

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable lift specific observer	166.09ns	164.811	1.01	1534.95ns
Specific observable lift dynamic observer	193.30ns	199.441	0.97	1534.50ns
Dynamic observable lift specific observer	323.90ns	321.01	1.01	1702.72ns
Dynamic observable lift dynamic observer	275.68ns	266.025	1.04	1683.37ns

Observable subscribe

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable subscribe specific observer	128.99ns	124.66	1.03	1608.10ns
Specific observable subscribe dynamic observer	200.45ns	137.897	1.45	1579.43ns
Dynamic observable subscribe specific observer	278.30ns	261.42	1.06	1835.39ns
Dynamic observable subscribe dynamic observer	216.95ns	195.7	1.11	1523.85ns

Observable subscribe #2

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observable subscribe lambda	226.12ns	127.889	1.77	1475.19ns
Dynamic observable subscribe lambda	278.69ns	263.189	1.06	1706.11ns
Specific observable subscribe lambda without subscription	132.34ns	127.456	1.04	1427.60ns
Dynamic observable subscribe lambda without subscription	258.76ns	232.842	1.11	1677.74ns
Specific observable subscribe specific subscriber	20.17ns	20.1281	1.00	1048.55ns
Dynamic observable subscribe specific subscriber	147.40ns	157.67	0.93	1290.46ns
Specific observable subscribe dynamic observer	22.46ns	18.2427	1.23	1151.77ns
Dynamic observable subscribe dynamic observer	78.68ns	77.4694	1.02	1191.11ns

Observer construction

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observer construction	0.83ns	0.807255	1.03	2.01ns
Dynamic observer construction	103.90ns	104.706	0.99	133.76ns
Specific observer construction + as_dynamic	101.49ns	97.7636	1.04	153.43ns

OnNext

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Specific observer OnNext	0.81ns	0.839519	0.96	0.80ns
Dynamic observer OnNext	2.56ns	2.21024	1.16	2.96ns

Operators

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
map construction from observable via dot + subscribe	89.31ns	90.9606	0.98	1227.46ns

Subscriber construction

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
Make subsriber	117.11ns	104.874	1.12	415.12ns
Make copy of subscriber	18.46ns	20.2712	0.91	40.05ns
Transform subsriber to dynamic	120.41ns	110.384	1.09	190.49ns

Subscription

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
composite_subscription create	163.99ns	104.807	1.56	429.01ns
composite_subscription add	79.54ns	79.9786	0.99	79.72ns
composite_subscription unsubscribe	8.45ns	10.0532	0.84	29.59ns

foundamental sources

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
empty	22.17ns	20.025	1.11	242.03ns
error	57.92ns	55.9609	1.03	290.69ns
never	20.10ns	20.1397	1.00	1157.72ns

from

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
from vector with int	106.66ns	96.9191	1.10	332.32ns

just

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
just send int	24.87ns	23.0727	1.08	236.33ns
just send variadic	25.54ns	24.9647	1.02	216.37ns

merge

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
merge	41.24ns	40.9714	1.01	1118.78ns
merge_with	409.66ns	357.32	1.15	1945.52ns

publish_subject callbacks

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
on_next	25.82ns	23.8021	1.08	37.67ns
on_error	2.40ns	2.83168	0.85	22.89ns
on_completed	3.17ns	3.10029	1.02	0.82ns

publish_subject routines

Table

Test Name	Current, ns	Prev, ns	Ratio	RxCpp current, ns
construct	364.77ns	327.111	1.12	1732.10ns
get_observable	38.07ns	31.003	1.23	196.97ns
get_subscriber	63.67ns	59.8566	1.06	176.02ns