Copyright | (c) 2011 MailRank Inc. |
---|---|
License | BSD-style |
Maintainer | bos@serpentine.com |
Stability | experimental |
Portability | GHC |
Safe Haskell | None |
Language | Haskell98 |
Data.Text.Format.Types.Internal
Contents
Description
Types for text mangling.
Documentation
A format string. This is intentionally incompatible with other string types, to make it difficult to construct a format string by concatenating string fragments (a very common way to accidentally make code vulnerable to malicious data).
This type is an instance of IsString
, so the easiest way to
construct a query is to enable the OverloadedStrings
language
extension and then simply write the query in double quotes.
{-# LANGUAGE OverloadedStrings #-} import Data.Text.Format f :: Format f = "hello {}"
The underlying type is Text
, so literal Haskell strings that
contain Unicode characters will be correctly handled.
Constructors
Format | |
Fields
|
Use this newtype
wrapper for your single parameter if you are
formatting a string containing exactly one substitution site.
Instances
Bounded a => Bounded (Only a) Source # | |
Defined in Data.Text.Format.Types.Internal | |
Enum a => Enum (Only a) Source # | |
Defined in Data.Text.Format.Types.Internal | |
Eq a => Eq (Only a) Source # | |
Floating a => Floating (Only a) Source # | |
Fractional a => Fractional (Only a) Source # | |
Defined in Data.Text.Format.Types.Internal | |
Integral a => Integral (Only a) Source # | |
Defined in Data.Text.Format.Types.Internal | |
Num a => Num (Only a) Source # | |
Ord a => Ord (Only a) Source # | |
Read a => Read (Only a) Source # | |
Defined in Data.Text.Format.Types.Internal | |
Real a => Real (Only a) Source # | |
Defined in Data.Text.Format.Types.Internal Methods toRational :: Only a -> Rational | |
RealFloat a => RealFloat (Only a) Source # | |
Defined in Data.Text.Format.Types.Internal Methods floatRadix :: Only a -> Integer floatDigits :: Only a -> Int floatRange :: Only a -> (Int, Int) decodeFloat :: Only a -> (Integer, Int) encodeFloat :: Integer -> Int -> Only a significand :: Only a -> Only a scaleFloat :: Int -> Only a -> Only a isInfinite :: Only a -> Bool isDenormalized :: Only a -> Bool isNegativeZero :: Only a -> Bool | |
RealFrac a => RealFrac (Only a) Source # | |
Show a => Show (Only a) Source # | |
Buildable a => Params (Only a) Source # | |
Defined in Data.Text.Format.Params Methods buildParams :: Only a -> [Builder] Source # |
Render a value using its Show
instance.
Instances
Bounded a => Bounded (Shown a) Source # | |
Defined in Data.Text.Format.Types.Internal | |
Enum a => Enum (Shown a) Source # | |
Defined in Data.Text.Format.Types.Internal | |
Eq a => Eq (Shown a) Source # | |
Floating a => Floating (Shown a) Source # | |
Fractional a => Fractional (Shown a) Source # | |
Defined in Data.Text.Format.Types.Internal | |
Integral a => Integral (Shown a) Source # | |
Defined in Data.Text.Format.Types.Internal | |
Num a => Num (Shown a) Source # | |
Ord a => Ord (Shown a) Source # | |
Read a => Read (Shown a) Source # | |
Defined in Data.Text.Format.Types.Internal | |
Real a => Real (Shown a) Source # | |
Defined in Data.Text.Format.Types.Internal Methods toRational :: Shown a -> Rational | |
RealFloat a => RealFloat (Shown a) Source # | |
Defined in Data.Text.Format.Types.Internal Methods floatRadix :: Shown a -> Integer floatDigits :: Shown a -> Int floatRange :: Shown a -> (Int, Int) decodeFloat :: Shown a -> (Integer, Int) encodeFloat :: Integer -> Int -> Shown a significand :: Shown a -> Shown a scaleFloat :: Int -> Shown a -> Shown a isInfinite :: Shown a -> Bool isDenormalized :: Shown a -> Bool isNegativeZero :: Shown a -> Bool | |
RealFrac a => RealFrac (Shown a) Source # | |
Show a => Show (Shown a) Source # | |
Show a => Buildable (Shown a) Source # | |
Defined in Data.Text.Buildable |
Integer format control
Render an integral type in hexadecimal.
Constructors
Hex a |
Instances
Enum a => Enum (Hex a) Source # | |
Defined in Data.Text.Format.Types.Internal | |
Eq a => Eq (Hex a) Source # | |
Integral a => Integral (Hex a) Source # | |
Num a => Num (Hex a) Source # | |
Ord a => Ord (Hex a) Source # | |
Read a => Read (Hex a) Source # | |
Defined in Data.Text.Format.Types.Internal | |
Real a => Real (Hex a) Source # | |
Defined in Data.Text.Format.Types.Internal Methods toRational :: Hex a -> Rational | |
Show a => Show (Hex a) Source # | |
Integral a => Buildable (Hex a) Source # | |
Defined in Data.Text.Buildable |