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use super::core::{Field,Row,Bucket,Table}; type FieldVecIter = std::vec::IntoIter<Field>; impl IntoIterator for Row { type Item = Field; type IntoIter = FieldVecIter; fn into_iter(self) -> Self::IntoIter { self.fields().into_iter() } } type FieldRefIter<'a> = std::slice::Iter<'a, Field>; impl<'a> IntoIterator for &'a Row { type Item = &'a Field; type IntoIter = FieldRefIter<'a>; fn into_iter(self) -> Self::IntoIter { self.fields_ref().into_iter() } } type RowVecIter = ::std::vec::IntoIter<Row>; type RowSliceIter<'a> = std::slice::Iter<'a, Row>; impl IntoIterator for Bucket { type Item = Row; type IntoIter = RowVecIter; fn into_iter(self) -> Self::IntoIter { self.rows().into_iter() } } impl<'a> IntoIterator for &'a Bucket { type Item = &'a Row; type IntoIter = RowSliceIter<'a>; fn into_iter(self) -> Self::IntoIter { self.rows_ref().into_iter() } } type TableBucketIter = ::std::vec::IntoIter<Bucket>; type BucketRowIterMapper = fn(Bucket) -> RowVecIter; type TableRowIter = ::std::iter::FlatMap<TableBucketIter,RowVecIter,BucketRowIterMapper>; impl IntoIterator for Table { type Item = Row; type IntoIter = TableRowIter; fn into_iter(self) -> Self::IntoIter { self.buckets().into_iter().flat_map(Bucket::into_iter) } } type TableBucketRefIter<'a> = std::slice::Iter<'a, Bucket>; type BucketRowRefIterMapper<'a> = fn(&'a Bucket) -> RowSliceIter<'a>; type TableRowRefIter<'a> = ::std::iter::FlatMap<TableBucketRefIter<'a>,RowSliceIter<'a>,BucketRowRefIterMapper<'a>>; impl<'a> IntoIterator for &'a Table { type Item = &'a Row; type IntoIter = TableRowRefIter<'a>; fn into_iter(self) -> Self::IntoIter { self.buckets_ref().into_iter().flat_map(<(&Bucket)>::into_iter) } }