Module column

Data structures for mappings and columns, as found in data tables.

Structs

• Function
  A function between sets defined by a mapping.
• HashColumn
  An unindexed column backed by a hash map.
• IndexedHashColumn
  An indexed column backed by hash maps.
• IndexedVecColumn
  An indexed column backed by a vector.
• SkelIndexedColumn
  An indexed column backed by an integer-valued vector.
• VecColumn
  An unindexed column backed by a vector.

Enums

• InvalidFunction
  A failure of a mapping to restrict to a function between two sets.

Traits

• Column
  A mapping with finite support.
• Mapping
  A functional mapping.
• MutMapping
  A mutable mapping.

Type Aliases

• IndexedUstrColumn
  An indexed column with keys and values of type Ustr.
• UstrColumn
  An unindexed column with keys of type Ustr.