Lsql.Csv.Core.Symbols

This module contains the definition of Symbol, SymbolMap, and helper functions for working with them. SymbolMap is one of the representations of input data.

Documentation

data Symbol

The datatype for a single named column (Symbol)

data SymbolMap

The datatype containing a Map for aliases of Symbols and a list of all Tables

(-->) :: SymbolMap -> String -> Symbol

Lookup for a Symbol (NamedColumn) in a SymbolMap

(==>) :: SymbolMap -> String -> Column

Lookup for a Symbol (NamedColumn) in a SymbolMap returning a Column

getSymbolMap :: [Table] -> SymbolMap

Generates a SymbolMap out of a list of Table.

symbolList :: SymbolMap -> [String]

Returns the list of name aliases of all columns.

getTables :: SymbolMap -> [Table]

Returns the list of Tables out of SymbolMap.