| // Position support for go-toml | 
 |  | 
 | package toml | 
 |  | 
 | import ( | 
 | 	"fmt" | 
 | ) | 
 |  | 
 | // Position of a document element within a TOML document. | 
 | // | 
 | // Line and Col are both 1-indexed positions for the element's line number and | 
 | // column number, respectively.  Values of zero or less will cause Invalid(), | 
 | // to return true. | 
 | type Position struct { | 
 | 	Line int // line within the document | 
 | 	Col  int // column within the line | 
 | } | 
 |  | 
 | // String representation of the position. | 
 | // Displays 1-indexed line and column numbers. | 
 | func (p Position) String() string { | 
 | 	return fmt.Sprintf("(%d, %d)", p.Line, p.Col) | 
 | } | 
 |  | 
 | // Invalid returns whether or not the position is valid (i.e. with negative or | 
 | // null values) | 
 | func (p Position) Invalid() bool { | 
 | 	return p.Line <= 0 || p.Col <= 0 | 
 | } |