pub fn buckets(&self) -> Buckets {
        Buckets {
            histogram: self,
            index: 0,
        }
    }
/// Get an iterator over this histogram's buckets.
Get an iterator over this histogram's buckets.
Get an iterator over this histogram ' s buckets .
pub fn buckets(&self) -> Buckets {
        Buckets {
            histogram: self,
            index: 0,
        }
    }
pub fn buckets ( & self ) -> Buckets { Buckets { histogram : self , index : 0 , } }
Get an iterator over this histogram's buckets.
Get an iterator over this histogram ' s buckets .
&self