vector-0.4: Efficient Arrays Source code Contents Index

Data.Vector.Fusion.Stream.Size Portability portable Stability experimental Maintainer Roman Leshchinskiy <rl@cse.unsw.edu.au>

Description

Size hints

Synopsis

data Size = Exact Int | Max Int | Unknown smaller :: Size -> Size -> Size larger :: Size -> Size -> Size toMax :: Size -> Size upperBound :: Size -> Maybe Int

Documentation

data Size Source

Size hint Constructors Exact Int Exact size Max Int Upper bound on the size Unknown Unknown size Instances Eq Size Num Size Show Size

smaller :: Size -> Size -> Size Source

Minimum of two size hints

larger :: Size -> Size -> Size Source

Maximum of two size hints

toMax :: Size -> Size Source

Convert a size hint to an upper bound

upperBound :: Size -> Maybe Int Source

Compute the maximum size from a size hint if possible

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