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>Text.Regex.Base.Impl</TITLE
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>regex-base-0.93.2: Replaces/Enhances Text.Regex</TD
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>Contents</A
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>Text.Regex.Base.Impl</FONT
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>Portability</TD
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>non-portable (Text.Regex.Base needs MPTC+FD)</TD
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>Stability</TD
><TD CLASS="infoval"
>experimental</TD
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>Maintainer</TD
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>libraries@haskell.org, textregexlazy@personal.mightyreason.com</TD
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>Description</TD
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><P
>Helper functions for defining certain instances of
RegexContext. These help when defining instances of RegexContext
with repeated types:
</P
><PRE
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instance (RegexLike regex source) => RegexContext regex source source where
</PRE
><P
>runs into overlapping restrictions. To avoid this I have each backend
define, for its own Regex type:
</P
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instance RegexContext Regex String String where
match = polymatch
matchM = polymatchM
</PRE
><PRE
>
instance RegexContext Regex ByteString ByteString where
match = polymatch
matchM = polymatchM
</PRE
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>Documentation</TD
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><TD CLASS="decl"
><A NAME="v:polymatch"
><A NAME="v%3Apolymatch"
></A
></A
><B
>polymatch</B
> :: <A HREF="Text-Regex-Base-RegexLike.html#t%3ARegexLike"
>RegexLike</A
> a b => a -> b -> b</TD
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><A NAME="v:polymatchM"
><A NAME="v%3ApolymatchM"
></A
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><B
>polymatchM</B
> :: (<A HREF="Text-Regex-Base-RegexLike.html#t%3ARegexLike"
>RegexLike</A
> a b, <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Control-Monad.html#t%3AMonad"
>Monad</A
> m) => a -> b -> m b</TD
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