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1.0.0 1.0.1
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Tag 2.0.0
Committed At 2018-12-16 21:20:45 UTC

Modules

    README

    elm-interval

    This package implements a simple Interval type for Elm. Both Int and Float intervals are supported, for example:

    rgbRange : Interval Int
    rgbRange =
        Interval.from 0 255
    
    angleRange : Interval Float
    angleRange =
        Interval.from 0 (2 * pi)
    

    Various functionality is included for constructing intervals (including as the hull or intersection of other intervals), checking for overlap/intersection/containment, and performing limited arithmetic on intervals:

    unitInterval =
        Interval.from 0 1
    
    Interval.endpoints unitInterval
    --> ( 0, 1 )
    
    Interval.containingValues [ 2, 1, 3 ]
    --> Just (Interval.from 1 3)
    
    Interval.hull
        (Interval.from 1 2)
        (Interval.from 3 5)
    --> Interval.from 1 5
    
    Interval.intersection
        (Interval.from 1 3)
        (Interval.from 2 5)
    --> Just (Interval.from 2 3)
    
    Interval.intersection
        (Interval.from 1 2)
        (Interval.from 3 5)
    --> Nothing
    
    Interval.contains 0 (Interval.from -1 3)
    --> True
    
    Interval.contains 5 (Interval.from -1 3)
    --> False
    
    Interval.sin (Interval.from 0 pi)
    --> Interval.from 0 1
    

    Currently the only functions that have been implemented are ones that were needed by the elm-geometry package, but I'm happy to consider pull requests for other generally-useful functionality. Please open a new issue before starting work, though, so we can discuss different approaches!