subscript(_:)
Gets the value of the given horizontal guide.
Declaration
subscript(guide: HorizontalAlignment) -> CGFloat { get }Overview
Find the offset of a particular guide in the corresponding view by using that guide as an index to read from the context:
.alignmentGuide(.leading) { context in
context[.leading] - 10
}For information about using subscripts in Swift to access member elements of a collection, list, or, sequence, see Subscripts in The Swift Programming Language.