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  1. enum :: Enum a => Iso' Int a

    lens Control.Lens.Iso

    This isomorphism can be used to convert to or from an instance of Enum. 

    >>> LT^.from enum
0

    >>> 97^.enum :: Char
'a'
    Note: this is only an isomorphism from the numeric range actually used and it is a bit of a pleasant fiction, since there are questionable Enum instances for Double, and Float that exist solely for [1.0 .. 4.0] sugar and the instances for those and Integer don't cover all values in their range.

  2. _NumTyLit :: Prism' TyLit Integer

    lens Language.Haskell.TH.Lens

    No documentation available.

  3. AI_NUMERICHOST :: AddrInfoFlag

    network Network.Socket

    The HostName argument must be a numeric address in string form, and network name lookups will not be attempted.

  4. AI_NUMERICSERV :: AddrInfoFlag

    network Network.Socket

    The ServiceName argument must be a port number in string form, and service name lookups will not be attempted. (Only some platforms support this.)

  5. NI_NUMERICHOST :: NameInfoFlag

    network Network.Socket

    The name of the host is not looked up. Instead, a numeric representation of the host's address is returned. For an IPv4 address, this will be a dotted-quad string. For IPv6, it will be colon-separated hexadecimal.

  6. NI_NUMERICSERV :: NameInfoFlag

    network Network.Socket

    The name of the service is not looked up. Instead, a numeric representation of the service is returned.

  7. data PortNumber

    network Network.Socket

    Port number. Use the Num instance (i.e. use a literal) to create a PortNumber value. 

    >>> 1 :: PortNumber
1

>>> read "1" :: PortNumber
1

>>> show (12345 :: PortNumber)
"12345"

>>> 50000 < (51000 :: PortNumber)
True

>>> 50000 < (52000 :: PortNumber)
True

>>> 50000 + (10000 :: PortNumber)
60000

  8. type ProtocolNumber = CInt

    network Network.Socket

    Protocol number.

  9. alphaNum :: forall s (m :: Type -> Type) u . Stream s m Char => ParsecT s u m Char

    parsec Text.Parsec.Char

    Parses a alphabetic or numeric Unicode characters according to isAlphaNum. Returns the parsed character. Note that numeric digits outside the ASCII range (such as arabic-indic digits like e.g. "٤" or U+0664), as well as numeric characters which aren't digits, are parsed by this function but not by digit.

  10. alphaNum :: forall s (m :: Type -> Type) u . Stream s m Char => ParsecT s u m Char

    parsec Text.ParserCombinators.Parsec.Char

    Parses a alphabetic or numeric Unicode characters according to isAlphaNum. Returns the parsed character. Note that numeric digits outside the ASCII range (such as arabic-indic digits like e.g. "٤" or U+0664), as well as numeric characters which aren't digits, are parsed by this function but not by digit.

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