VerticalOrientation

VerticalOrientation :: # (opaque)

Unicode Vertical_Orientation (vo) from VerticalOrientation.txt and UAX #50. It provides fallback orientation before font-specific layout.

property_name : PropertyName

of_scalar : Scalar -> Value

short : Value -> Str

long : Value -> Str

alias_count : Value -> U8

alias_at : Value, U8 -> [Some(Str), None]

parse : Str -> Try(Value, AliasError)

fold_runs : Str, state, (state, Run -> state) -> state

iter_runs : Str -> Iter(Run)

Value : Value

PropertyName : { short : Str, long : Str }

Run : { range : TextRange, value : Value }

AliasError : [UnknownAlias]