BSD-3-Clause licensed by Gabriella Gonzalez
This version can be pinned in stack with:errors-2.3.0@sha256:541d4ecafde6556b70877ecf28402a21d0fbd50fa12390f38e122f0c9bd24e52,1399
Module documentation for 2.3.0
Used by 12 packages in
nightly-2023-11-28(full list with versions):
aws-sns-verify,
bcp47-orphans,
errors-ext,
faktory,
gopher-proxy,
hedis,
HPDF,
http-link-header,
sequence-formats,
system-linux-proc,
xlsx,
yesod-auth-oauth2 The one-stop shop for all your error-handling needs! Just import
Control.Error
.
This library encourages an error-handling style that directly uses the type
system, rather than out-of-band exceptions.
2.3.0
- BREAKING CHANGE:
syncIO
now expects a MonadIO
constraint instead of
UnexceptionalIO
2.2.5
- Increase upper bound on
exceptions
2.2.4
- Increase upper bound on
exceptions
2.2.3
- Increase upper bound on
transformers-compat
2.2.2
- Support GHC 8.4 through compatibility with Semigroup/Monoid proposal
2.2.1
- Add precedence and fixity for
(?:)
2.2.0
- BREAKING CHANGE: Use
Text
instead of String
- Add
handleExceptT
2.1.3
- Support older versions of
ghc
2.1.2
- Increase upper bound on
transformers
dependency
2.1.1
- Increase upper bound on
transformers-compat
2.1.0
- Change
syncio
to use unexceptionalio
to prove that all synchronous
exceptions were caught and handled
2.0.0
- Switch from
EitherT
to ExceptT
1.4.7
- Increase upper bound on
transformers
from 0.4
to 0.5
1.4.6
- Add
bool
- Add
(?:)
- Add
isJustT
- Add
isNothingT
- Add
isLeftT
- Add
isRightT
1.4.5
- Increase upper bound on
either
from 4.1
to 5
1.4.4
- Add
failWith
- Add
failWithM
1.4.3
- Add
AllE
- Add
AnyE
- Increase upper bound on
either
from 3.5
to 4.1
1.4.2
- Add
(??)
- Add
(!?)
- Add
syncIO
1.4.1
- Re-export
EitherT
- Re-export
MaybeT
1.4.0
- Add
maybeT
- Add
just
- Add
nothing
- Add upper bound to
either
- Add upper bound to
safe
- Add upper bound to
transformers
1.3.1
- Increase lower bound on
transformers
from 0.2
to 0.3.0.0
1.3.0
- Add
assertMay
- Add
rightMay
- Add
justErr
- Add
tryJust
- Add
tryRight
- Add
MonadPlus
functions to Control.Error.Safe
- Add
isLeft
- Add
isRight
- Add
fmapR
- Add
fmapRT
- Add
err
- Add
errLn
- Add
flipE
- Add
flipET
- Rename
tryIO
to scriptIO
- Remove
tryMaybe
- Remove
tryEither
- Rename
liftMaybe
to hoistMaybe
- Rename
liftEither
to hoistEither
1.2.1
- Add lower bound to
either
1.2.0
1.1.1
1.1.0
1.0.0