Represents a location inside a file
public readonly struct Mark
kind:method, kind:property, kind:ctor. Press Esc to clear.Mark(Int32, Int32, Int32)Initializes a new mark at the specified source location.ColumnGets / sets the index of the columnIndexGets / sets the absolute offset in the fileLineGets / sets the number of the lineToString()Returns a String that represents this instance.