Moved optional menus to SwiftDetailerMenu #8 (#10)

Author: reedes

README.md

@@ -160,6 +160,8 @@ It shows _Detailer_ used with `LazyVGrid` and `Table` containers.
 
 ## Menuing
 
+See [SwiftDetailerMenu](https://github.com/openalloc/SwiftDetailerMenu) for optional menu support.
+
 The use of context menus for macOS and iOS:
 
 macOS | iOS
@@ -216,6 +218,7 @@ If this validation is used, the user will not be able to save changes until it r
 
 ## See Also
 
+* [SwiftDetailerMenu](https://github.com/openalloc/SwiftDetailerMenu) - optional menu support for _SwiftDetailer_
 * [DetailerDemo](https://github.com/openalloc/DetailerDemo) - the demonstration app for this library
 * [TablerCoreDemo](https://github.com/openalloc/TablerCoreDemo) - the demonstration app for this library, for Core Data sources
 

Sources/DetailerConfig.swift

@@ -52,7 +52,7 @@ public struct DetailerConfig<Element>
     // MARK: Parameters
 
     public let minWidth: CGFloat
-    public let canEdit: CanEdit?
+    public let canEdit: CanEdit
     public let canDelete: CanDelete
     public let onDelete: OnDelete?
     public let onValidate: OnValidate
@@ -62,7 +62,7 @@ public struct DetailerConfig<Element>
     public let validateIndicator: ValidateIndicator
 
     public init(minWidth: CGFloat = DetailerConfigDefaults.minWidth,
-                canEdit: CanEdit? = nil,
+                canEdit: @escaping CanEdit = { _ in true },
                 canDelete: @escaping CanDelete = { _ in true },
                 onDelete: OnDelete? = nil,
                 onValidate: @escaping OnValidate = { _, _ in [] },