petgraph

petgraph is used at run time in 3,668 crates (of which 504 optionally). It is a direct run-time dependency in 630 crates. It's used at build time in 2,051 crates (of which 174 optionally, 3 directly). It's used only as a dev dependency in 255 crates (of which 13 directly).

Number of dependers	petgraph version	Downloads/month
4,887	0.6.5	4.9M
780	0.5.1	282K
2	0.5.0	1.0K
276	0.4.13	36K
18	0.2.10	130
11	0.1.18	88

Depender (with downloads and own rev deps)			petgraph version
4.6M	448	prost-build		^0.6
12.4M	28	parking_lot_core	optional	^0.6.0
925K	18	datafusion-physical-expr		^0.6.2
768K	214	lalrpop		^0.6
238K	30	guppy		^0.6.5
155K	1	orchestra-proc-macro		^0.6.0
329K	45	cargo-lock	optional	^0.6
106K	28	tree_magic_mini		^0.6.0
278K	59	naga	optional	^0.6
64K	269	bevy_ecs		^0.6
59K	6	krates		^0.6
45K	2	oxc_cfg		^0.6.5
43K	4	bevy_animation		^0.6
42K	3	chalk-solve		^0.6.4
40K	10	cargo-make		^0.6.5
37K	5	determinator		^0.6.3
37K	13	wasmer-wasix		^0.6.3
29K	4	pgrx-sql-entity-graph		^0.6.4
29K	7	swc_ecma_transforms_optimization		^0.6.0
29K	4	swc_fast_graph		^0.6.0
24K	4	wasm-compose		^0.6.2
21K	26	daggy		^0.6
66K	134	bevy_reflect	optional	^0.6
21K	22	casbin		^0.6
20K	39	zenoh		^0.6.5
50K	42	ptree	optional	^0.6
11K	1	cargo-msrv		^0.6.5
11K	1	rustworkx-core		^0.6.5
10K	2	swc_graph_analyzer		^0.6.0
10K	9	swc_bundler		^0.6.0
9.3K	2	graph-cycles		^0.6
9.1K		steno		^0.6.5
8.8K		mise		^0.6
8.7K	96	bio		>=0.4, <0.7
7.7K	13	ncollide3d		^0.6
7.0K	3	quil-rs		^0.6.4
6.8K	3	resolvo		^0.6.5
17K	1	z3tracer	optional	^0.5.1
4.5K	4	apollo-federation		^0.6.4
4.5K	2	crepe		^0.6
3.8K	1	time-graph		^0.6
3.7K		pks		^0.6.3
11K	17	bio-types	optional	>=0.5, <0.7
3.5K	4	bevy_mod_debugdump		^0.6
3.2K	3	hugr-core		^0.6.3
3.2K		workspace-node-tools		^0.6.5
3.2K	9	ncollide2d		^0.6
2.8K		rustiq-core		^0.6.3
2.7K		releaser		=0.6.5
2.6K	5	wac-graph		^0.6.4
2.6K	2	manganis-cli-support		^0.6.3
2.3K	1	fuel-core-txpool		^0.6.5
2.1K	1	hugr-passes		^0.6.3
2.0K		cargo-sbom		^0.6.4
2.0K		forky_play		^0.6.4
1.9K	1	grex		^0.6.4
1.8K	18	tree_magic		^0.5
1.6K	1	cargo-modules		^0.6.4
4.9K	6	portgraph	optional	^0.6.3
1.4K		flapigen		^0.6.0
1.4K		pacman-repo-builder		^0.6.0
1.3K	6	holochain		^0.6.0
1.3K	1	pilota-build		^0.6
1.2K		dua-cli		^0.6
1.2K	4	twiggy-ir		^0.6.0
1.2K		cargo-tree		^0.4
1.1K	1	twiggy-analyze		^0.6.0
1.1K	1	chidori-core		^0.6.3
1.1K		gitlab-cargo-audit		^0.6.4
1.0K		gossiphs		^0.6.4
1.0K	1	lasy		^0.5
1.0K	2	xvc-pipeline		^0.6
1.0K	2	nauty-pet		^0.6
1.0K	2	tket2		^0.6.3
1.0K	2	libcnb-package		^0.6.5
1.0K		rose_tree		^0.6
950	1	portmatching		^0.6.3
950	4	aitia		^0.6
900	3	hc_sleuth		^0.6
800		bonsai-bt		^0.6.2
800	1	ascent_macro		^0.6.0
800	1	pintc		^0.6
800		chidori-debugger		^0.6.3
750		petgraph-evcxr		>=0.5.1
750	1	pint-pkg		^0.6
700		cargo-crev		^0.6.4
650		lalrpop-snap		^0.4.13
650	1	pavexc		^0.6.5
600		affected		^0.6.5
600		kgdata		^0.6.3
600		hugr-llvm		^0.6.5
600		molecules		^0.6.4
600	2	csvs_convert		^0.6.5
550	1	derive_state_machine_future		^0.4.11
550		scarb		^0.6.3
550		ncollide3d-updated		^0.6
550	5	parol		^0.6.5
500		ukebox		^0.6
500	21	farmfe_core		^0.6
490	6	parol_runtime		^0.6.5
490	2	wdl-analysis		^0.6.5
490		zen-engine		^0.6.5
470		ncollide2d-updated		^0.6
460	1	intspan		^0.6.3
450	1	pint-abi-visit		^0.6
450	12	sway-core		^0.6
450		cargo-pants		^0.6.0
450		turtle-build		^0.6
440		peacock-fuzz		^0.6
440		egui_graphs		^0.6
440		quantinuum-hugr		^0.6.3
420	7	forc-pkg		^0.6
410	1	pargraph		^0.6
400	22	cu29		^0.6.5
380		hoard		^0.6
380		fnck_sql		^0.6
370	1	typestate-builder-macro		^0.6.5
340	1	diffsol		^0.6.4
330		proseg		^0.6.3
330	1	ferrunix-core		^0.6
320	3	aiken-lang		^0.6.3
320		cargo-depgraph		^0.6.0
310		raug		^0.6.5
310	2	zenoh-flow		^0.6.0
310	2	safe_bindgen		~0.4.13
310	2	aiken-project		^0.6.3
300	2	dbsp		^0.6.0
300		haptk		^0.6
300		openqasm		^0.6.0
300	1	pilota-build2		^0.6
290		portdiff		^0.6.5
280		pkgbob		^0.6.5
280		cargo-debstatus		^0.6
280	1	cubecl-opt		^0.6
260	4	petgraph-gen		^0.6.2
1.3K		mokapot	optional	^0.6
260	1	willbe		~0.6
1.3K	21	roqoqo	optional	^0.6.2
250		csvpp		^0.6
250		retworkx-core		^0.6.0
240		trie_rcv		^0.6.4
230		para-graph		^0.6.4
230		raa_tt		^0.6
230	1	cupido		^0.6.4
230	1	petgraph-graphml		^0.6.0
230	3	sunscreen_fhe_program		^0.6.0
220		cargo-call-stack		^0.6.3
220		cargo-geiger		^0.6.3
210		bitomc		^0.6.5
210		ncpig		^0.6.5
210		rust-sugiyama		^0.6.4
210	2	sunscreen_runtime		^0.6.0
200		maze_generator		^0.5.1
200	1	eternaltwin_squirrel		^0.6.3
200	2	glicol_synth		^0.6
190		bothan-core		^0.6.4
190		redox_pkgutils		^0.6
190		perovskite_game_api		^0.6.4
190	1	sunscreen_backend		^0.6.0
180		feos-campd		^0.6
180	5	dsntk-model		^0.6.5
180		glicol		^0.6
1.0K		mpstthree	optional	^0.6.4
180	1	tracing-tape-parser		^0.6.5
180		trace-deck		^0.6.5
170	7	spacetimedb-schema		^0.6.5
170	1	route_verification_graph		^0.6.4
170		sunscreen		^0.6.0
170		tipping-rs		^0.6.4
170		sgxs-tools		^0.4
160	1	phobos		^0.6.2
160		rattler-build		^0.6.5
160	1	node-maintainer		^0.6.2
160		rattler_libsolv_rs		^0.6.4
150	1	rstmt-neo		^0.6
150		zawk		^0.6
150	3	serde-intermediate		^0.6
140		modular-decomposition		^0.6.4
140		netview		^0.6.4
140		bevy_logic		^0.6.5
140		cargo-hackerman		^0.6.0
140		grapher		^0.6.5
140	5	traitgraph		^0.6.2
140		evo-rl		^0.6.4
140		payback		^0.6.4
140	1	finny_derive		^0.5.1
130		gdsdk		^0.6.5
130		kriss_matcher		^0.6.5
130	1	trippy-tui		^0.6.5
130	1	llvm-ir-analysis		^0.6.0
120		libreda-sta		^0.6
120	1	mice		^0.6.0
120	1	oxygraph		^0.6.5
120	1	meritrank2		^0.6.3
120		oxygengine-script-flow		^0.6
120		aaru		^0.6.5
120	1	springql-core		^0.6
120		wasm2usharp		^0.6.4
110		bgpsim		^0.6
110		entromatica		^0.6.2
110	4	rust-code-analysis		^0.6
110		junction-core		^0.6
110		osmgraph		^0.6.5
110		easytier		^0.6.5
110		permanganate		^0.6.5
110		zookeeper-cache		^0.6
110		force_graph		^0.5.1
110		gamai		^0.6.4
110	2	prompt-graph-core		^0.6.3
110		sembas		^0.6.5
110		navactor		^0.6.3
100		spinne		^0.6
100	4	pgx-sql-entity-graph		^0.6.3
100	2	etwin_squirrel		^0.6.3
		node2vec		^0.6.5
		frawk		^0.6
		lezeh		^0.6.2
		taski		^0
	1	ultragraph		^0.6
	1	aura-core		^0.6
		sfink_callgraph_traversal		^0.4
	7	calyx-utils		^0.6
	2	vegafusion-core		^0.6.0
		cargo-mono		^0.5.1
	1	zamm_yin		^0.5.1
	3	fdg-sim		^0.6
	2	navmesh		^0.6
	1	graph-neighbor-matching		^0.5
		speedicycle		^0.6.4
		holochain_conductor_lib		=0.4.13
		settle		^0.6.3
		solv		=0.6.5
		graphalgs		^0.6.2
	1	beet_flow		^0.6.4
	1	chidori-static-analysis		^0.6.3
	1	lorikeet		^0.5.1
	1	qecp		^0.6.0
		rfc-graph		^0.6.2
		solang		^0.6.3
		lemon-llm		^0.6.4
	2	syntaxdot-encoders		^0.6
		pgx-utils		^0.6.2
	2	sunscreen_zkp_backend		^0.6.0
	5	calyx-ir		^0.6
	16	rust-hdl-core		^0.6.0
		ontodev_valve		^0.6.0
		save		^0.6.2
		prost-msg-build		^0.6
700	1	feos	optional	^0.6
	4	sticker-encoders		^0.5
	2	calyx-backend		^0.6
		nodejs_package_graph		^0.6.5
	9	udgraph		^0.6
	3	calyx-opt		^0.6
		rust_swig		^0.5.0
		kip-sql		^0.6.3
	1	smpl		^0.4.9
	4	gluon_vm		^0.6.4
		graph-canon		^0.6.3
		saptest		^0.6.2
		ledger-rs-lib		^0.6.4
	1	yaxpeax-core		^0.4.13
	5	conllx		^0.4
		mono-diagram		^0.6.4
	1	modus-lib		^0.6.0
	2	gchemol-graph		^0.6
		retworkx		^0.5.1
	1	fusion-blossom		^0.6.3
	6	dmntk-model		^0.6.4
		scoundrel		^0.6.0
		sparta		^0.6.2
		texlab		^0.6.2
		dependency-graph		^0.6.0
		mom-task		^0.6
	7	midenc-hir		^0.6
	4	sn_client		^0.6.4
	3	noria		^0.5
	1	saboten		^0.5.0
	1	comtrya-lib		^0.6
		engage		^0.6.4
		gfatk		^0.6.0
		sprout		^0.6.2
	1	sticker		^0.4
		ola-lang		^0.6.3
		way-cooler		^0.4.5
		comtrya		^0.6
		fpa_lr		^0.4
		sound_flow		^0.6.2
		cargo-px		^0.6.3
	4	gltf_kun		^0.6.4
	1	hyperbase		>=0.5, <0.7
		modus		^0.6.0
	3	oysterpack_built		^0.4
		quantized-density-fields		^0.4.13
		haddock		^0.6.4
		osm_graph		^0.6.4
		reap		^0.4
	9	rust-hdl		^0.6.0
		rust_code_visualizer		^0.6.0
	1	survex-rs		^0.6.3
		graphembed		^0.6
		memoesu		^0.6.3
		parsli		^0.6.2
	3	repak-lib		^0.5.1
		onlinematching		^0.6.3
		rboss		^0.6
		sn_bindgen		~0.4.13
		depgraph		^0.6
	1	trussx		^0.5.1
	5	relooper		^0.5.1
		rtx-cli		^0.6.4
	2	sprawl		^0.6.2
		time_varying_graph		^0.6.3
	1	graph_simple		>=0.5, <0.7
	3	noria-common		^0.5
		vehicle-signals	build	^0.6
		gh-stack		^0.5
	1	machine-check-exec		^0.6.4
		prcn_lib		=0.5.0
		tallystick		^0.6.0
		craftql		^0.6.3
	2	euphony-compiler		^0.6
	2	isla-lib		^0.5.0
		stonnx		^0.6.4
	2	zap-core		^0.5
		hipcheck		^0.6.0
	2	noria-dataflow		^0.5
		onnx-helpers		^0.5.1
	1	bevy_vrm		^0.6.5
	1	boomerang_builder		^0.6
	5	depict		^0.6
		ingredient		^0.6.2
		logicsim		^0.5.1
	1	rasen		^0.4.5
		triadic-census		^0.2.0
	2	air-parser		^0.6
	2	midenc-codegen-masm		^0.6
	2	repac-lib		^0.6.3
	1	zap-build-engine		^0.5
	1	noria-mir		^0.5
		perf-focus		^0.4
	1	stix		^0.5.1
		unpack		^0.5.1
	1	baby_shark		^0.6.2
	6	bevy_retrograde_core		^0.5.1
		dottools		^0.4.13
		glr		^0.6.0
		holium		^0.6.0
	1	if-decompiler		^0.5.1
	1	ninja-builder		^0.5
		pagegraph		^0.6.3
		udgraph-projectivize		^0.6
	5	assemble-core		^0.6.0
		graphviz-dot-parser		^0.6.4
		idr2nix		^0.6.3
		tracing-rc		^0.6
		unfuck		^0.6
		yamis		^0.6
	5	beet_ecs		^0.6.4
		cargo-rpmstatus		^0.6
	4	contained-core		^0.6
		gcp_client	build	^0.5
		spandex		^0.4.13
		chelone		^0.4
		libasuran		^0.5.0
	2	ontoenv		^0.6.4
		reups		^0.4.13
		ssb-causal-sort		^0.4.11
	1	cov		^0.4
	8	move-bytecode-utils		^0.5.1
	15	move-bytecode-verifier		^0.5.1
	2	move-coverage		^0.5.1
	3	partiql-eval		^0.6
	6	solana_libra_bytecode_verifier		^0.4
		veriwasm		^0.4.13
	2	ciboulette		^0.5.1
		datap-cli		^0.6.5
		elba		^0.4
		erdos		^0.5.0
		ga		^0.4
		gll-pg-core		^0.6.4
		lattice-graph		^0.6
		mv-analyzer		^0.5.1
		precedence-net		^0.6
		prost-codegen		^0.4
		spdx-toolkit		^0.6
		truegrf		^0.6.2
	2	all-is-cubes-content		^0.6.2
		bundle		^0.6.5
	1	cargo-publish-all		^0.4
		depot-js		^0.6
		faster-build		^0.6.0
		graphfind-rs		^0.6
		grid_pathfinding		^0.6
		mallumo		^0.4.10
		monster-rs		~0.5
	1	rtlola-hir		^0.5
		zenoh-router		^0.5.1
		egp		0.*
		keygraph-rs		^0.4.4
	1	libsql-wal		^0.6.5
	1	meshlite		^0.4
	21	mv-compiler		^0.5.1
	8	mv-package		^0.5.1
		neuralneat		^0.6.3
		oxur-component		^0.5.0
	1	tree_magic_fork		^0.4.13
	1	avery		^0.6
		chickenwire		^0.4.13
		chipbox		0.6.*
	1	dependy		^0.4
		differential-formula		^0.5
		feos-gc-pcsaft		^0.6
	1	informalsystems-prost-build		^0.6
		novice		^0.5
		pmrs		^0.6
		ssf		^0.5
		v8-heap-parser		^0.6
		voice		^0.4.1
		cargo-equip		^0.6.3
		gantz		^0.4
		genominicus		^0.6
		ironplc-plc2x		^0.6.2
		kaminpar		^0.6.2
	5	lezeh-common		^0.6.2
		osm_pbf2json		^0.5
		pkgtool		^0.6.5
		random_graphs		^0.5
	1	rustproof-libsmt		^0.2.7
	1	springql-core-release-test		^0.6
		unbox		^0.4.13
		aspic		^0.6
	1	asuran		^0.5.1
		ckpttn-rs		^0.6.3
	1	depper		^0.6
500	2	dot-parser	optional	^0.6.5
		dynast		^0.6
		graphiti		^0.6.4
	1	hassium-navigation		^0.4
		log2graph		^0.6.0
	2	luminal		^0.6.4
		march		^0.6.3
		pagat		^0.6.3
		sfcpl		=0.5.0
		tracing-callgraph		^0.5.1
		attck		^0.5.1
	1	cagra		^0.4
		dasp_graph		^0.5
		egui-gdl		^0.6
		etk-analyze		^0.6.0
		foxear		^0.6.0
		graco		^0.4
		gs-rs		^0.5.1
		hex-game		^0.4.13
		hollywood		^0.6
		line-graph		^0.6
		miratope		^0.5
		moose		~0.6
		path-planning		^0.6
		petgraph-examples		>=0.4.13
		rspack		^0.6.0
	6	sunscreen_compiler_common		^0.6.0
	1	acme-graphs		^0.6
	1	algograph		^0.6.3
	1	banquo-hybrid_distance		^0.6.4
	1	biconnected-components		^0.6
	1	cg-math		^0.6.3
	1	choco		^0.6.4
	1	ciboulette2pg		^0.5.1
	1	ciphercore-base		^0.6.0
	1	contained-music		^0.6
		dge-gen		^0.6.0
		global-supertrees		^0.4.13
		graph-similarity-cmd		^0.2
		graph_executor		^0.6.0
		haymaker		^0.6.0
	1	lcov2		^0.6.5
		legion_prof		^0.6.5
		make_ultra		^0.4.13
		ninjars		^0.5
		noria-server		^0.5
		orthanq		^0.6.4
		paxforth		^0.5.0
	1	peel		^0
		rerust		^0.5
		resphys		^0.5.1
	1	rs-parse-snapshot		^0.6.2
		rustproof		^0.2.7
		short-paths		^0.4.11
		snark-tool		^0.5.1
		swarm-host		^0.6.3
	1	assemble-freight		^0.6.2
		cranko		^0.5
		java_class_parser		^0.6.2
	1	lumberjack		^0.4
		p8n-types		^0.4
	2	partiql-logical-planner		^0.6
	1	pcm-flow		^0.4.10
	1	pedigree		^0.6.2
		polyhedra		^0.5.0
		robopoker		^0.6.5
		search_json		^0.5.0
		sow		^0.6.0
		ultra_tournament		^0.4.13
		babushka		^0.6.5
		bitsy-lang		^0.6.4
		brainoxide		^0.6.4
		cargo-create		^0.5.1
		floyd-warshall		^0.4.10
		graph-algo-ptas		^0.6.2
	8	move-stackless-bytecode		^0.5.1
		pgp-sig2dot		^0.6.5
	5	rust_hdl_lib_core		^0.6.0
		talus		^0.5.0
		ugrad		^0.6.3
		aigraph1		^0.6.3
		ampiato		^0.6.5
		bayes		^0.5.0
		bumv		^0.6.3
		bygge		^0.5.1
		capillary		^0.6.2
		captain-workflow-manager		^0.6.0
		cargo-danger		^0.4
		cargo-unleash		^0.6
		cargo-vistree		^0.6.3
		ciphercore-adapters		^0.6.0
		computation-graph		^0.6
		depict-tikz		^0.6
		digraphx-rs		^0.6.4
		dihardts_omicstools		^0.6.4
		eavesdropper_cli		^0.5.1
		excel-emulator		^0.6.2
	2	forsyde-io-core		^0.6.5
		shipcat		^0.4.13
		sprawl-bin		^0.6.2
		tcb		^0.5.1
		what-the-struct		^0.6.1
		yabo		^0.6.0
		autoperm		^0.6
		bae_rs		^0.5
		berlin-core		^0.6.0
		consalign		^0.6
		cxx2flow		^0.6.5
		dashtool		^0.6
		deltav_calc		^0.6.2
		depict-desktop		^0.6
		depict-server		^0.6
		depict-web		^0.6
		diplomacy		^0.6.5
		distributed_control		^0.6.4
		eth_merkle_tree		^0.6
	4	feos-dft		^0.6
		genpet		^0.6.4
		git-stack		^0.6.3
		include-merkle		^0.4.13
	1	kdl-script		^0.6.4
	1	libreda-structural-verilog		^0.6
		morphor		^0.4.13
		mv-coverage		^0.5.1
		oprec		^0.4.10
		pipeawesome2		^0.6.0
		alevin-fry		^0.6.4
		datapackage_convert		^0.6.2
		depth		^0.6.4
		dev-scope		^0.6.4
		dmt		^0.6.0
	1	glslt		^0.6
	2	graph-io-gml		^0.5
		js_workspace_tools		^0.6.0
	1	lemon-graph		^0.6.4
	1	lezeh-db		^0.6.2
	1	lmntalc		^0.6
		morp		^0.4.13
		morty		^0.6
		mv-bytecode-verifier		^0.5.1
	1	pandascore		^0.6.5
		pattern-compiler		^0.4
	1	rhizomedb		^0.6
	1	slotgraph		^0.6.4
	2	syn-graphs		^0.6.4
		varlociraptor		^0.6
		bevy_screenplay		^0.6
	1	forsyde-io-generator		^0.6.5
		forsyde-io-libforsyde		^0.6.5
		g2json		^0.6
		generic-rcsp		^0.6.4
		ihateintegrals		^0.6.4
	1	logic_based_learning_paths		^0.6
		lorikeet-genome		^0.6
		meritrank		^0.5
		netoptim-rs		^0.6.2
		speedytree		^0.6.4
		stateful_faas_sim		^0.6.4
		sumi		^0.5.1
		survex-dist		^0.6.3
		topcat		^0.6.4
		txtx-core		^0.6.5
		wagon-gll		^0.6.3
	2	wagon-parser		^0.6.3
		zookeeper-cache-rust		^0.6
470	1	relrc	optional	^0.6.5
250		idmap	optional	^0.6
230		pimalaya-tui	optional	^0.6
220		rosella	optional	^0.6.3
210	1	rustemo	optional	^0.6
190	4	email-lib	optional	^0.6
150	5	markov	optional	^0.5
	5	coi	optional	^0.6.2
	2	hlbc-decompiler	optional	^0.6
	4	hlbc	optional	^0.6
	2	iso-10303	optional	^0.5.1
	1	depends_core	optional	^0.6.3
		extrahop	optional	^0.4.10
		fin-part-ord	optional	^0.6
		flowistry_ide	optional	^0.6
		generic-octree	optional	^0.5.0
	1	graph-traits	optional	^0.5.1
		israeli_queue_etc	optional	^0.6.4
		librashader-naga	optional	^0.6
		ptree2	optional	^0.6
		smiles-parser	optional	^0.5.0
	4	steam-language-gen	optional	^0.4
		take_put_back	optional	^0.6.2
		vergilius	optional	^0.6.5
		vf2	optional	^0.6
320		tket2-hseries	dev	^0.6.3
160		dot-parser-macros	dev	^0.6.5
130		forest-filecoin	dev	^0.6
110	5	tari_comms_dht	dev	^0.5.1
	9	conrod_glium	dev	^0.4
	2	ohnomore	dev	^0.6
		conrod_piston	dev	^0.4
		scene-graph	dev	^0.6.2
		gdsl	dev	^0.6.2
		bytecode-verifier-tests	dev	^0.5.1
		gpp-solver	dev	^0.6.0
		rustygrad	dev	^0.6.3
	1	tree-layout	dev	^0.6.4
		reingold-tilford	dev	^0.4
		cargo_will	dev	~0.6
		conrod_gfx	dev	^0.4
	3	kindelia_core	dev	^0.6.2
		egui_graph	dev	^0.6
	1	eta-graph	dev	^0.6.5
		rustc-seme-regions	dev	^0.4.12
		p1689	dev	^0.6