file/edit.go
func (e *edit) ReplaceAtLineN(r []ReplacerAtLine, n int) error {
	return e.genReplaceAtLine(r, n)
}
func (e *edit) ReplaceAtLineN(r []ReplacerAtLine, n int) error {
	return e.genReplaceAtLine(r, n)
}
func ( e * edit ) ReplaceAtLineN ( r [ ] ReplacerAtLine , n int ) error { return e . genReplaceAtLine ( r , n ) }
// ReplaceAtLine replaces regular expressions mathed in r, if the line is
// matched at the first. The count determines the
// number to match:
//   n > 0: at most n matches
//   n == 0: the result is none
//   n < 0: all matches
ReplaceAtLine replaces regular expressions mathed in r if the line is matched at the first . The count determines the number to match : n > 0 : at most n matches n == 0 : the result is none n < 0 : all matches