nothunks: Examine values for unexpected thunks
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Warnings:
- These packages miss upper bounds: - ghc-heap Please add them, using `cabal gen-bounds` for suggestions. For more information see: https://pvp.haskell.org/
Long lived application data typically should not contain any thunks. This library can be used to examine values for unexpected thunks, which can then be used in assertions. This can be invaluable in avoiding memory leaks, or tracking down existing ones.
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Properties
| Versions | 0.1.0.0, 0.1.1.0, 0.1.2, 0.1.3, 0.1.4, 0.1.5, 0.2.0, 0.2.1.0, 0.2.1.1, 0.2.1.1, 0.3.0.0 |
|---|---|
| Change log | CHANGELOG.md |
| Dependencies | base (>=4.12 && <5), bytestring (>=0.10 && <0.13), containers (>=0.5 && <0.8), ghc-heap, stm (>=2.5 && <2.6), text (>=1.2 && <1.3 || >=2 && <2.2), time (>=1.5 && <1.13), vector (>=0.12 && <0.14), wherefrom-compat (>=0.1.1 && <0.2) [details] |
| License | Apache-2.0[multiple license files] |
| Copyright | 2018-2024 Input Output Global Inc (IOG) |
| Author | IOG |
| Maintainer | Marcin Szamotulski <coot@coot.me> |
| Category | Development |
| Bug tracker | https://github.com/input-output-hk/nothunks |
| Source repo | head: git clone https://github.com/input-output-hk/nothunks |
| Uploaded | by IOHK at 2024-07-29T09:24:38Z |
Modules
[Index] [Quick Jump]
- NoThunks
Flags
Manual Flags
| Name | Description | Default |
|---|---|---|
| bytestring | Provide instances for bytestring | Enabled |
| text | Provide instances for text | Enabled |
| vector | Provide instances for vector | Enabled |
Use -f <flag> to enable a flag, or -f -<flag> to disable that flag. More info
Downloads
- nothunks-0.2.1.1.tar.gz [browse] (Cabal source package)
- Package description (as included in the package)
Maintainer's Corner
Package maintainers
For package maintainers and hackage trustees
Readme for nothunks-0.2.1.1
[back to package description]nothunks
Long lived application data typically should not contain any thunks. This library can be used to examine values for unexpected thunks, which can then be used in assertions. This can be invaluable in avoiding memory leaks, or tracking down existing ones.
See my presentation MuniHac 2020: Being lazy without being bloated for an overview, motivating the library and explaining how it is intended to be used and how it works internally.
nothunks will try to get source information from info tables. For that one
needs to use GHC 9.2 or newer and compile the code with
-finfo-table-map. More precise information will be available if
-fdistinct-constructor-tables flag is used as well.