isevaluated: Check whether a value has been evaluated
An IO action to check whether some value has been evaluated.
If isEvaluated returns True, evaluating it to weak-head normal form won't throw exceptions and take constant time.
|Versions [faq]||0.1, 0.2, 0.3, 0.3.0.1, 0.3.0.2|
|Dependencies||base (==4.*), vacuum (==1.0.*) [details]|
|Copyright||(c) 2009-2012 Svein Ove Aas and Bertram Felgenhauer|
|Maintainer||Bertram Felgenhauer <email@example.com>|
|Uploaded||by BertramFelgenhauer at Mon Jul 23 13:11:56 UTC 2012|
|Downloads||2086 total (46 in the last 30 days)|
|Rating||(no votes yet) [estimated by rule of succession]|
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