96     pub fn new<I>(weights: I) -> Result<WeightedIndex<X>, WeightedError>  in new()
103         let mut total_weight: X = iter.next().ok_or(WeightedError::NoItem)?.borrow().clone();  in new()
107             return Err(WeightedError::InvalidWeight);  in new()
115                 return Err(WeightedError::InvalidWeight);  in new()
122             return Err(WeightedError::AllWeightsZero);  in new()
142     pub fn update_weights(&mut self, new_weights: &[(usize, &X)]) -> Result<(), WeightedError>  in update_weights()
161                     return Err(WeightedError::InvalidWeight);  in update_weights()
165                 return Err(WeightedError::InvalidWeight);  in update_weights()
168                 return Err(WeightedError::TooMany);  in update_weights()
185             return Err(WeightedError::AllWeightsZero);  in update_weights()
266             WeightedError::InvalidWeight,  in test_accepting_nan()
270             WeightedError::InvalidWeight,  in test_accepting_nan()
274             WeightedError::InvalidWeight,  in test_accepting_nan()
282             WeightedError::InvalidWeight,  in test_accepting_nan()
343             WeightedError::NoItem  in test_weightedindex()
347             WeightedError::AllWeightsZero  in test_weightedindex()
351             WeightedError::InvalidWeight  in test_weightedindex()
355             WeightedError::InvalidWeight  in test_weightedindex()
359             WeightedError::InvalidWeight  in test_weightedindex()
426 pub enum WeightedError {  enum
442 impl ::std::error::Error for WeightedError {}  implementation
444 impl fmt::Display for WeightedError {  implementation
447             WeightedError::NoItem => write!(f, "No weights provided."),  in fmt()
448             WeightedError::InvalidWeight => write!(f, "A weight is invalid."),  in fmt()
449             WeightedError::AllWeightsZero => write!(f, "All weights are zero."),  in fmt()
450             WeightedError::TooMany => write!(f, "Too many weights (hit u32::MAX)"),  in fmt()