Godeps/_workspace/src/gopkg.in/mgo.v2/bson/bson.go
func (id ObjectId) Counter() int32 {
	b := id.byteSlice(9, 12)
	// Counter is stored as big-endian 3-byte value
	return int32(uint32(b[0])<<16 | uint32(b[1])<<8 | uint32(b[2]))
}
func (id ObjectId) Counter() int32 {
	b := id.byteSlice(9, 12)
	// Counter is stored as big-endian 3-byte value
	return int32(uint32(b[0])<<16 | uint32(b[1])<<8 | uint32(b[2]))
}
func ( id ObjectId ) Counter ( ) int32 { b := id . byteSlice ( 9 , 12 ) // Counter is stored as big-endian 3-byte value return int32 ( uint32 ( b [ 0 ] ) << 16 | uint32 ( b [ 1 ] ) << 8 | uint32 ( b [ 2 ] ) ) }
// Counter returns the incrementing value part of the id.
// It's a runtime error to call this method with an invalid id.
Counter returns the incrementing value part of the id . It s a runtime error to call this method with an invalid id .