Reflect.SourcePosition
case SourcePosition(Int32, Int32)Represents a zero-width position within a source, identified by line and column coordinates.
Both line and column numbers use one-based indexing. (e.g., the first character of a source is at line 1, column 1).
Fields:
line: The line number (1-based). Must be >= 1.column: The column number (1-based) within the specified line. Must be >= 1.