trifecta-0.50: A modern parser combinator library with convenient diagnostics

Portabilitynon-portable
Stabilityexperimental
MaintainerEdward Kmett <ekmett@gmail.com>
Safe HaskellSafe-Infered

Text.Trifecta.Diagnostic.Err

Description

The unlocated error type used internally within the parser.

Documentation

data Err e Source

Constructors

EmptyErr 
FailErr Rendering String 
PanicErr Rendering String 
Err !(Diagnostic e) 

Instances

Functor Err 
Foldable Err 
Traversable Err 
Alt Err

Merge two errors, selecting the most severe.

Plus Err

Merge two errors, selecting the most severe.

Show e => Show (Err e) 
Monoid (Err t)

Merge two errors, selecting the most severe.

Semigroup (Err t)

Merge two errors, selecting the most severe.

knownErr :: Err e -> BoolSource

fatalErr :: Err e -> BoolSource