100% documentation please

Sources/Path->Bool.swift

@@ -1,24 +1,29 @@
 import Foundation
 
 public extension Path {
+    /// Returns true if the path represents an actual file that is also writable by the current user.
     var isWritable: Bool {
         return FileManager.default.isWritableFile(atPath: string)
     }
 
+    /// Returns true if the path represents an actual directory.
     var isDirectory: Bool {
         var isDir: ObjCBool = false
         return FileManager.default.fileExists(atPath: string, isDirectory: &isDir) && isDir.boolValue
     }
 
+    /// Returns true if the path represents an actual filesystem entry that is *not* a directory.
     var isFile: Bool {
         var isDir: ObjCBool = true
         return FileManager.default.fileExists(atPath: string, isDirectory: &isDir) && !isDir.boolValue
     }
 
+    /// Returns true if the path represents an actual file that is also executable by the current user.
     var isExecutable: Bool {
         return FileManager.default.isExecutableFile(atPath: string)
     }
 
+    /// Returns true if the path represents an actual filesystem entry.
     var exists: Bool {
         return FileManager.default.fileExists(atPath: string)
     }