| Safe Haskell | None |
|---|---|
| Language | Haskell2010 |
Overloaded.Symbols
Description
Another way to desugar overloaded string literals. See FromSymbol.
Synopsis
- class FromSymbol (s :: Symbol) a where
- fromSymbol :: a
Documentation
class FromSymbol (s :: Symbol) a where Source #
Another way to desugar overloaded string literals using this class.
A string literal "example" is desugared to
fromSymbol @"example"
Enabled with:
{-# OPTIONS -fplugin=Overloaded -fplugin-opt=Overloaded:Symbols #-}
Methods
fromSymbol :: a Source #
Instances
| (KnownNat y, KnownNat m, KnownNat d, ParseDay s ~ '(y, m, d)) => FromSymbol s Day Source # | |
Defined in Overloaded.Symbols Methods fromSymbol :: Day Source # | |
| (KnownSymbol s, SeqList (ToList s)) => FromSymbol s ByteString Source # | |
Defined in Overloaded.Symbols Methods | |
| (KnownSymbol s, SeqList (ToList s)) => FromSymbol s ByteString Source # | |
Defined in Overloaded.Symbols Methods | |
| KnownSymbol s => FromSymbol s Text Source # | |
Defined in Overloaded.Symbols Methods fromSymbol :: Text Source # | |
| KnownSymbol s => FromSymbol s Text Source # | |
Defined in Overloaded.Symbols Methods fromSymbol :: Text Source # | |
| (KnownSymbol s, a ~ Char) => FromSymbol s [a] Source # | |
Defined in Overloaded.Symbols Methods fromSymbol :: [a] Source # | |