Moduletext-2.1.4Haskell2010

Data.Text.Internal.Fusion.Size

Warning: this is an internal module, and does not have a stable API or name. Functions in this module may not check or enforce preconditions expected by public modules. Use at your own risk!

Size hints.

Contents

Sizes
Querying sizes

Synopsis

data Size
value exactSize
value maxSize
value betweenSize
value unknownSize
value unionSize
value charSize
value codePointsSize
value exactly
value smaller
value larger
value upperBound
value lowerBound
value compareSize
value isEmpty

Packagetext-2.1.4
Exports15
LanguageHaskell2010
LicenceBSD-2-Clause
SourceSize.hs

datadata Size

Source#

A size in UTF-8 code units (which is bytes).

Instances3Eq, Num, Show

Eq SizeDefined in text-2.1.4 · Data.Text.Internal.Fusion.Size
Num SizeDefined in text-2.1.4 · Data.Text.Internal.Fusion.Size
Show SizeDefined in text-2.1.4 · Data.Text.Internal.Fusion.Size

Sizes

valueexactSize :: Int -> Size

valuemaxSize :: Int -> Size

valuebetweenSize :: Int -> Int -> Size

valueunknownSize :: Size

valueunionSize :: Size -> Size -> Size

valuecharSize :: Char -> Size

Source#

The Size of the given code point.

valuecodePointsSize :: Int -> Size

Source#

The Size of n code points.

Querying sizes

valueexactly :: Size -> Maybe Int

valuesmaller :: Size -> Size -> Size

Source#

Minimum of two size hints.

valuelarger :: Size -> Size -> Size

Source#

Maximum of two size hints.

valueupperBound :: Int -> Size -> Int

Source#

Compute the maximum size from a size hint, if possible.

valuelowerBound :: Int -> Size -> Int

Source#

Compute the minimum size from a size hint, if possible.

valuecompareSize :: Size -> Size -> Maybe Ordering

Source#

Determine the ordering relationship between two Sizes, or Nothing in the indeterminate case.

valueisEmpty :: Size -> Bool