Add EnvelopeT #32
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Add EnvelopeT #32
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This PR adds the
EnvelopeTmonad transformer.An example of using this can be found in the following file:
https://github.com/cdepillabout/servant-checked-exceptions/blob/91a8eb8d5d505adff6df85c496c174ac1fd4fc2f/servant-checked-exceptions/example/EnvelopeT.hs
This also adds a few more combinators for
Envelope.This is for #3. Note that this doesn't add an mtl-like
MonadEnvelopetype class.