|  | // 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 | 
|  | } |