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# weigh [](https://github.com/fpco/weigh/actions/workflows/tests.yml)
Measures the memory usage of a Haskell value or function
# Limitations
* :warning: Turn off the `-threaded` flag, otherwise it will cause inconsistent results.
## Example use
``` haskell
import Weigh
main :: IO ()
main =
mainWith
(do func "integers count 0" count 0
func "integers count 1" count 1
func "integers count 10" count 10
func "integers count 100" count 100)
where
count :: Integer -> ()
count 0 = ()
count a = count (a - 1)
```
Output results:
|Case|Allocated|GCs|
|:---|---:|---:|
|integers count 0|16|0|
|integers count 1|88|0|
|integers count 10|736|0|
|integers count 100|7,216|0|
Output by default is plain text table; pass `--markdown` to get a
markdown output like the above.
|
