Lsql.Csv.Core.BlockOps

This module contains the Block definition representing a command block and functions for getting a specific type of blocks from a list of Block.

Documentation

data Block

This data structure represents a command block.

Constructors

Select [Arg]

If Arg

Sort [Arg]

By [Arg]

getSelects :: [Block] -> [[Arg]]

Returns all select blocks.

getIf :: [Block] -> Arg

Makes conjunction of all if blocks (if none, simple True is returned) and returns it.

getSort :: [Block] -> [Arg]

Finds a sort block, if exists, and returns it. If there is none, [] is returned. If there is more than one sort block, fails.

getBy :: [Block] -> [Arg]

Finds a by block, if exists, and returns it. If there is none, [] is returned. If there is more than one by block, fails.