Rename msg to fatalErrorMessage. (#34)

This is to free up `msg` as a variable name.

CHANGES.md

@@ -5,6 +5,7 @@
 * Switch exported `(<>)` to be from `Data.Monoid` instead of Semigroup.
 * Expose `putByteString` and `putLByteString` monomorphic versions of `putStrLn` functions
 * Export `genericLength` and other generic list return functions.
+* Rename `msg` to `fatalErrorMessage`.
 * Export `ExceptT`, `ReaderT`, and `StateT` constructors.
 * Export `NonEmpty` type and constructor for GHC 8.0.
 

Symbols.md

@@ -426,6 +426,7 @@
 * expt
 * expts
 * expts10
+* fatalErrorMessage
 * filter
 * filterM
 * finally
@@ -658,7 +659,6 @@
 * modifyMVarMasked_
 * modifyMVar_
 * mplus
-* msg
 * msum
 * myThreadId
 * mzero

docs/Exceptions.md

@@ -110,7 +110,7 @@ Fatal Errors
 ------------
 
 ```haskell
-data FatalError = FatalError {msg :: Text}
+data FatalError = FatalError {fatalErrorMessage :: Text}
 ```
 
 #### panic

src/Panic.hs

@@ -12,7 +12,7 @@ import Data.Typeable (Typeable)
 import Control.Exception as X
 
 -- | Uncatchable exceptions thrown and never caught.
-data FatalError = FatalError { msg :: Text }
+data FatalError = FatalError { fatalErrorMessage :: Text }
   deriving (Show, Typeable)
 
 instance Exception FatalError