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/Haskell 8

Data.Text.Internal.Fusion.Size

Copyright (c) Roman Leshchinskiy 2008
(c) Bryan O'Sullivan 2009
License BSD-style
Maintainer [email protected]
Stability experimental
Portability portable
Safe Haskell None
Language Haskell98

Description

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.

data Size Source

A size in UTF-16 code units.

Instances
Eq Size
Instance details

Defined in Data.Text.Internal.Fusion.Size

Methods

(==) :: Size -> Size -> Bool Source

(/=) :: Size -> Size -> Bool Source

Num Size
Instance details

Defined in Data.Text.Internal.Fusion.Size

Show Size
Instance details

Defined in Data.Text.Internal.Fusion.Size

Sizes

exactSize :: Int -> Size Source

maxSize :: Int -> Size Source

betweenSize :: Int -> Int -> Size Source

unknownSize :: Size Source

unionSize :: Size -> Size -> Size Source

charSize :: Char -> Size Source

The Size of the given code point.

codePointsSize :: Int -> Size Source

The Size of n code points.

Querying sizes

exactly :: Size -> Maybe Int Source

smaller :: Size -> Size -> Size Source

Minimum of two size hints.

larger :: Size -> Size -> Size Source

Maximum of two size hints.

upperBound :: Int -> Size -> Int Source

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

lowerBound :: Int -> Size -> Int Source

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

compareSize :: Size -> Size -> Maybe Ordering Source

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

isEmpty :: Size -> Bool Source

© The University of Glasgow and others
Licensed under a BSD-style license (see top of the page).
https://downloads.haskell.org/~ghc/8.6.1/docs/html/libraries/text-1.2.3.1/Data-Text-Internal-Fusion-Size.html