teardown

Build safe and composable teardown sub-routines for resources

https://github.com/roman/Haskell-teardown#readme

LTS Haskell 23.21:	0.5.0.1
Stackage Nightly 2025-05-10:	0.5.0.1
Latest on Hackage:	0.5.0.1

See all snapshots teardown appears in

MIT licensed by Roman Gonzalez

Maintained by open-source@roman-gonzalez.info

This version can be pinned in stack with:teardown-0.5.0.1@sha256:b7a6812637f79d81632bb7adebc5ad9a96fffacf3e5f655d5bf21728bd3786f9,2868

Module documentation for 0.5.0.1

Control
- Control.Teardown

Depends on 5 packages(full list with versions):

base, prettyprinter, rio, typed-process, unliftio

Used by 2 packages in nightly-2025-04-08(full list with versions):

componentm, componentm-devel

🗑️ teardown

Composable, idempotent & transparent application resource cleanup sub-routines

Installation
Documentation
Development

Installation

Make sure you include the following entry on your cabal file’s dependecies section.

library:
  build-depends: teardown

Or on your package.yaml

dependencies:
- teardown

Documentation

Development

Build Status

Follow the developer guidelines

License

Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

Changes

Change log

teardown uses Semantic Versioning. The change log is available on GitHub.

V0.5.0.1

Add language pragma to support ghc-8.6.3 and stackage nightly

V0.5.0.0

BREAKING CHANGES

Move from ansi-wl-pprint to prettyprinter
Re-implement Printer using prettyprinter API, now prettyTeardownResult returns a Doc type from the prettyprinter library
Add a Pretty instance for the DisposeResult type
Add a Display instance for the DisposeResult type

v0.4.1.0

Ensure that all IO () sub-routines on runTeardown get executed inside a MaskedUninterruptible masking state
Deprecate the [(Text, IO ())] instance of IResource in favor of creating a teardown record per de-allocated resource.
Replace criterion in favor of gauge
Bump rio to v0.1.1.0
Improve upon documentation

v0.4.0.0

BREAKING CHANGES

Bump from lts-9.5 to lts-11
Replace ITeardown typeclass in favor of HasTeardown
Replace teardown function in favor of runTeardown and runTeardown_
Replace protolude in favor of rio
Rename renderTeardownReport to prettyTeardownResult
Remove Control.Monad.Component in favor of having it on its own package componentm

v0.3.0.0

BREAKING CHANGES

Bump from lts-9.1 to lts-9.5
Add Control.Monad.Component module
Add Control.Teardown.Tutorial module
Add IResource instance for [Teardown]

v0.2.0.0

BREAKING CHANGES

Bump from lts-8.21 to lts-9.1
Re-organize test files to support nightly (GHC-8.2)
Drop support for lts-6 (GHC-7.10)
Bump dependencies for time, QuickCheck, protolude and doctest
Add NFData instance for TeardownResult record
Add travisCI builder for nightly

v0.1.0.1

Add benchmark to compare with vanilla IO unit
Bump version of criterion to 1.2

v0.1.0.0

BREAKING CHANGES

Relax Glob dependency bounds
Add IResource typeclass and make newTeardown part of it
Remove concatTeardown and newDynTeardown functions in favor of overloades of IResource
Update TestSuite
Update Example

v0.0.0.2

Add haddock documentation to modules

v0.0.0.1

First release of teardown library

teardown

Module documentation for 0.5.0.1

🗑️ teardown

Table Of Contents

Installation

Documentation

Development

License

Changes

Change log

V0.5.0.1

V0.5.0.0

v0.4.1.0

v0.4.0.0

v0.3.0.0

v0.2.0.0

v0.1.0.1

v0.1.0.0

v0.0.0.2

v0.0.0.1