JetBrains / 100-exercises-to-learn-rust File Change Frequency

File change frequency (churn) shows the distribution of file updates (days with at least one commit).

Overview

File Change Frequency Overall

There are 895 files with 6,468 lines of code.

0 files changed more than 100 times (0 lines of code)
0 files changed 51-100 times (0 lines of code)
0 files changed 21-50 times (0 lines of code)
1 file changed 6-20 times (35 lines of code)
894 files changed 1-5 times (6,433 lines of code)

Legend:

101+

51-100

21-50

6-20

1-5

explore: grouped by folders | grouped by update frequency | data

Contributors Count Frequency Overall

There are 895 files with 6,468 lines of code.

0 files changed by more than 25 contributors (0 lines of code)
0 files changed by 11-25 contributors (0 lines of code)
0 files changed by 6-10 contributors (0 lines of code)
0 files changed by 2-5 contributors (0 lines of code)
895 files changed by 1 contributor (6,468 lines of code)

Legend:

26+

11-25

6-10

2-5

explore: grouped by folders | grouped by contributors count | data

File Change Frequency per File Extension

yaml, rs, toml, md, svg, gitignore, txt, sh

File Change Frequency per Extension

The number of recorded file updates

101+

51-100

21-50

6-20

1-5

File Change Frequency per Logical Decomposition

primary

primary (file change frequency)

The number of recorded file updates

101+

51-100

21-50

6-20

1-5

Most Frequently Changed Files (Top 50)

See data for all files...

File	# lines	# units	created	last modified	# changes (days)	# contributors	first contributor	latest contributor
course-info.yaml in root	35	-	2025-06-30	2025-07-24	6	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Traits/TraitBounds/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Traits/DerefTrait/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Traits/DropTrait/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Traits/OrphanRule/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Traits/StringSlices/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Traits/OperatorOverloading/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Traits/SizedTrait/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Traits/FromTrait/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Traits/CopyTrait/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Traits/DeriveMacros/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Traits/AssociatedVsGenericTypes/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Traits/CloneTrait/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV2/ErrorTrait/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV2/Unwrap/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV2/Fallibility/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV2/ErrorEnums/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV2/ErrorSource/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV2/BranchingMatch/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV2/Enums/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV2/thiserror/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV2/Nullability/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV2/TryFromTrait/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV2/Dependencies/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV2/BranchingIfLetAndLetElse/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV2/VariantsWithData/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV2/Outro/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV2/Packages/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in GoingFurther/Epilogue/What next/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Introduction/GettingStarted/ExternalLinter/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in ABasicCalculator/Integers/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in ABasicCalculator/ConversionsAsCasting/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in ABasicCalculator/Panics/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in ABasicCalculator/Variables/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in ABasicCalculator/BranchingIfElse/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in ABasicCalculator/LoopsFor/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in ABasicCalculator/Factorial/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in ABasicCalculator/SaturatingArithmetic/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in ABasicCalculator/OverflowAndUnderflow/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in ABasicCalculator/LoopsWhile/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketManagement/IndexTrait/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketManagement/HashMap/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketManagement/Combinators/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketManagement/Vectors/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketManagement/Resizing/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketManagement/MutableSlices/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketManagement/IndexMutTrait/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketManagement/Slices/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketManagement/TwoStates/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketManagement/Lifetimes/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com

Files With Most Contributors (Top 50)

Based on the number of unique email addresses found in commits.

See data for all files...

File	# lines	# units	created	last modified	# changes (days)	# contributors	first contributor	latest contributor
course-info.yaml in root	35	-	2025-06-30	2025-07-24	6	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Threads/MutexSendAndArc/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Threads/BoundedChannels/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
lesson-info.yaml in Threads/BoundedChannels	4	-	2025-07-03	2025-07-24	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Threads/SyncTrait/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
lesson-info.yaml in Threads/SyncTrait	4	-	2025-07-03	2025-07-24	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Threads/WithoutChannels/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
lesson-info.yaml in Threads/WithoutChannels	4	-	2025-07-03	2025-07-24	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Threads/StaticLifetime/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
lesson-info.yaml in Threads/StaticLifetime	4	-	2025-07-03	2025-07-24	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Threads/AckPattern/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
lesson-info.yaml in Threads/AckPattern	4	-	2025-07-03	2025-07-24	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Threads/ScopedThreads/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
lesson-info.yaml in Threads/ScopedThreads	4	-	2025-07-03	2025-07-24	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Threads/LeakingMemory/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
lesson-info.yaml in Threads/LeakingMemory	4	-	2025-07-03	2025-07-24	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Threads/InteriorMutability/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
lesson-info.yaml in Threads/InteriorMutability	4	-	2025-07-03	2025-07-24	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
task-info.yaml in TicketV1/Setters/Theory	6	-	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV1/Setters/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
task-info.yaml in TicketV1/Visibility/Theory	6	-	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV1/Visibility/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV1/Outro/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
task-info.yaml in TicketV1/Modules/Theory	6	-	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV1/Modules/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
task-info.yaml in TicketV1/Validation/Theory	6	-	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV1/Validation/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
task-info.yaml in TicketV1/Stack/Theory	6	-	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV1/Stack/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
task-info.yaml in TicketV1/Encapsulation/Theory	6	-	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV1/Encapsulation/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV1/Destructors/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV1/Structs/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
task-info.yaml in TicketV1/ReferencesInMemory/Theory	6	-	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV1/ReferencesInMemory/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
lesson-info.yaml in TicketV1/ReferencesInMemory	4	-	2025-07-03	2025-07-24	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
task-info.yaml in TicketV1/Ownership/Theory	6	-	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV1/Ownership/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
task-info.yaml in TicketV1/Heap/Theory	6	-	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in TicketV1/Heap/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Futures/BlockingTheRuntime/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
lesson-info.yaml in Futures/BlockingTheRuntime	4	-	2025-07-03	2025-07-24	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Futures/FutureTrait/Task/src	13	2	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Futures/FutureTrait/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
lesson-info.yaml in Futures/FutureTrait	4	-	2025-07-03	2025-07-24	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Futures/SpawningTasks/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
lesson-info.yaml in Futures/SpawningTasks	4	-	2025-07-03	2025-07-24	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
main.rs in Futures/AsynchronousFunctions/Theory/src	2	1	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
lesson-info.yaml in Futures/AsynchronousFunctions	4	-	2025-07-03	2025-07-24	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com
task-info.yaml in Futures/AsyncAwarePrimitives/Task	38	-	2025-07-03	2025-07-10	2	1	milan.vasic@jetbrains.com	milan.vasic@jetbrains.com

Files With Least Contributors (Top 50)

Based on the number of unique email addresses found in commits.

See data for all files...

File	# lines	# units
lib.rs in Threads/Patching/Task/src	104	-
lib.rs in Threads/RwLock/Task/src	74	-
lib.rs in Threads/Client/Task/src	70	1
lib.rs in helpers/mdbook-exercise-linker/src	63	4
description.rs in helpers/ticket_fields/src	62	7
title.rs in helpers/ticket_fields/src	60	7
lib.rs in Traits/Outro/Task/src	56	9
main.rs in helpers/mdbook-link-shortener/src	54	2
main.rs in helpers/mdbook-exercise-linker/src	52	3
store.rs in Threads/Patching/Task/src	35	-
store.rs in Threads/RwLock/Task/src	34	-
store.rs in Threads/Client/Task/src	32	-
task-info.yaml in Threads/RwLock/Task	32	-
store.rs in Threads/Channels/Task/src	29	-
data.rs in Threads/Patching/Task/src	27	-
task-info.yaml in Threads/Channels/Task	24	-
lib.rs in Threads/Channels/Task/src	23	-
task-info.yaml in Threads/Client/Task	23	-
data.rs in Threads/Channels/Task/src	20	-
data.rs in Threads/Client/Task/src	20	-
task-info.yaml in Threads/Patching/Task	20	-
data.rs in Threads/RwLock/Task/src	20	-
lib.rs in helpers/mdbook-link-shortener/src	16	-
Cargo.toml in helpers/mdbook-link-shortener	14	-
task-info.yaml in Threads/Threads/Task	13	-
task-info.yaml in Threads/Introduction/Threads - Introduction	13	-
task-info.yaml in Futures/Introduction/Futures - Introduction	13	-
task-info.yaml in Futures/Cancellation/Task	13	-
task-info.yaml in Traits/Outro/Task	13	-
task-info.yaml in Traits/Trait/Task	13	-
lib.rs in Traits/Trait/Task/src	13	3
task-info.yaml in Traits/Introduction/Traits - Introduction	13	-
lib.rs in helpers/common/src	12	-
lib.rs in Threads/Threads/Task/src	10	-
Cargo.toml in Futures/Outro/Task	10	-
Cargo.toml in helpers/mdbook-exercise-linker	10	-
Cargo.toml in Threads/Patching/Task	7	-
Cargo.toml in Threads/RwLock/Task	7	-
Cargo.toml in Futures/Runtime/Task	7	-
Cargo.toml in Futures/Cancellation/Task	7	-
Cargo.toml in helpers/ticket_fields	7	-
task-info.yaml in Threads/Threads/Theory	6	-
Cargo.toml in Threads/Channels/Task	6	-
task-info.yaml in Threads/Channels/Theory	6	-
Cargo.toml in Threads/Client/Task	6	-
task-info.yaml in Threads/Client/Theory	6	-
task-info.yaml in Threads/Patching/Theory	6	-
task-info.yaml in Threads/RwLock/Theory	6	-
task-info.yaml in Futures/Outro/Theory	6	-
task-info.yaml in Futures/Runtime/Theory	6	-