Copyright	Justin Ethier
License	MIT (see LICENSE in the distribution)
Maintainer	github.com/justinethier
Stability	experimental
Portability	portable
Safe Haskell	None
Language	Haskell98

Language.Scheme.Macro.Matches

Description

This module contains utility functions used to support macro processing, by storing and/or manipulating data involving 0-or-many matches.

Synopsis

Documentation

Arguments

:: LispVal	The nested list to read from
-> [Int]	Location to read an element from, all numbers are 0-based
-> LispVal	Value read, or `Nil` if none

Get an element at given location in the nested list

Arguments

:: LispVal	The nested list to modify
-> [Int]	Location to insert the new element, from top-most to the leaf. For example [1, 2] means add to the second top-most list, at its 3rd position.
-> LispVal	Value to insert
-> LispVal	Resulant list

Add an element to the given nested list