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GHC 9.10.3 · lts/ghc-9.10.x · c74966e · 2026-09-27

Moduletagsoup-0.14.8Haskell2010

Text.StringLike

WARNING: This module is not intended for use outside the TagSoup library.

This module provides an abstraction for String's as used inside TagSoup. It allows TagSoup to work with String (list of Char), ByteString.Char8, ByteString.Lazy.Char8, Data.Text and Data.Text.Lazy.

1 class
1 value

Packagetagsoup-0.14.8
Exports3
LanguageHaskell2010
LicenceBSD-3-Clause
SourceStringLike.hs

classclass (Typeable a, Eq a, IsString a) => StringLike a where

A class to generalise TagSoup parsing over many types of string-like types. Examples are given for the String type.

Methods

empty :: a
```
empty = ""
```
cons :: Char -> a -> a
```
cons = (:)
```

uncons :: a -> Maybe (Char, a)

uncons []     = Nothing
uncons (x:xs) = Just (x, xs)

toString :: a -> String
```
toString = id
```
fromChar :: Char -> a
```
fromChar = return
```
strConcat :: [a] -> a
```
strConcat = concat
```
strNull :: a -> Bool
```
strNull = null
```
append :: a -> a -> a
```
append = (++)
```
strMap :: (Char -> Char) -> a -> a
```
strMap = map
```

Instances5StringLike

StringLike ByteStringDefined in tagsoup-0.14.8 · Text.StringLike
StringLike ByteStringDefined in tagsoup-0.14.8 · Text.StringLike
StringLike StringDefined in tagsoup-0.14.8 · Text.StringLike
StringLike TextDefined in tagsoup-0.14.8 · Text.StringLike
StringLike TextDefined in tagsoup-0.14.8 · Text.StringLike

methodfromString :: String -> a

valuecastString :: (StringLike a, StringLike b) => a -> b

Convert a String from one type to another.