Yi.Region

This module defines the Region ADT

Documentation

data Region

The region data type. The region is semi open: it includes the start but not the end bound. This allows simpler region-manipulation algorithms. Invariant : regionStart r <= regionEnd r

Instances

Generic Region

Defined in Yi.Region

Associated Types

type Rep Region :: Type -> Type

Methods

from :: Region -> Rep Region x

to :: Rep Region x -> Region

Show Region

Defined in Yi.Region

Methods

showsPrec :: Int -> Region -> ShowS

show :: Region -> String

showList :: [Region] -> ShowS

Binary Region

Defined in Yi.Region

Methods

put :: Region -> Put

get :: Get Region

putList :: [Region] -> Put

type Rep Region

Defined in Yi.Region

type Rep Region = D1 ('MetaData "Region" "Yi.Region" "yi-language-0.19.1-48kBHo5CiHwKn5eCndJTLb" 'False) (C1 ('MetaCons "Region" 'PrefixI 'True) (S1 ('MetaSel ('Just "regionDirection") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Direction) :*: (S1 ('MetaSel ('Just "regionStart") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Point) :*: S1 ('MetaSel ('Just "regionEnd") 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Point))))

emptyRegion :: Region

The empty region

regionIsEmpty :: Region -> Bool

mkRegion :: Point -> Point -> Region

Construct a region from its bounds, emacs style: the right bound is excluded

mkRegion' :: Direction -> Point -> Point -> Region

mkSizeRegion :: Point -> Size -> Region

regionStart :: Region -> Point

regionEnd :: Region -> Point

regionSize :: Region -> Size

regionDirection :: Region -> Direction

inRegion :: Point -> Region -> Bool

True if the given point is inside the given region.

nearRegion :: Point -> Region -> Bool

True if the given point is inside the given region or at the end of it.

includedRegion :: Region -> Region -> Bool

Returns if a region (1st arg) is included in another (2nd arg)

fmapRegion :: (Point -> Point) -> Region -> Region

intersectRegion :: Region -> Region -> Region

Take the intersection of two regions

unionRegion :: Region -> Region -> Region

Take the union of two regions (including what is between them)

regionFirst :: Region -> Point

regionLast :: Region -> Point

regionsOverlap :: Bool -> Region -> Region -> Bool