;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Apr 2000
;;;;
-;;;; $Id: lists.lisp,v 1.2 2003/05/02 22:30:26 kevin Exp $
+;;;; $Id: lists.lisp,v 1.3 2003/05/06 01:43:14 kevin Exp $
;;;;
;;;; This file, part of KMRCL, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
:key #'symbol-name :test 'equal)
append (list name val)))
+(defun mapappend (func seq)
+ (apply #'append (mapcar func seq)))
+
+(defun mapcar-append-string-nontailrec (func v)
+ "Concatenate results of mapcar lambda calls"
+ (aif (car v)
+ (concatenate 'string (funcall func it)
+ (mapcar-append-string-nontailrec func (cdr v)))
+ ""))
+
+
+(defun mapcar-append-string (func v &optional (accum ""))
+ "Concatenate results of mapcar lambda calls"
+ (aif (car v)
+ (mapcar-append-string
+ func
+ (cdr v)
+ (concatenate 'string accum (funcall func it)))
+ accum))
+
+(defun mapcar2-append-string-nontailrec (func la lb)
+ "Concatenate results of mapcar lambda call's over two lists"
+ (let ((a (car la))
+ (b (car lb)))
+ (if (and a b)
+ (concatenate 'string (funcall func a b)
+ (mapcar2-append-string-nontailrec func (cdr la) (cdr lb)))
+ "")))
+
+(defun mapcar2-append-string (func la lb &optional (accum ""))
+ "Concatenate results of mapcar lambda call's over two lists"
+ (let ((a (car la))
+ (b (car lb)))
+ (if (and a b)
+ (mapcar2-append-string
+ func
+ (cdr la)
+ (cdr lb)
+ (concatenate 'string accum (funcall func a b)))
+ accum)))
+
+(defun append-sublists (list)
+ "Takes a list of lists and appends all sublists"
+ (let ((results (car list)))
+ (dolist (elem (cdr list))
+ (setq results (append results elem)))
+ results))