little moral improvements

s48/sequences/README

@@ -17,11 +17,12 @@ parameters) and consists mainly of generic sequence code compiled with
 the basic sequence operation names bound to the corresponding vector
 procedures.  The library is neither complete nor tweaked nor tested
 sytematically.  (The idea to recycle parts of the srfi-13 code came
-too late.)  It contains the folllowing procedures, arranged in
-columns=structures and `* categories' from SRFI-13 and -1.
+too late.)  It contains the following procedures, arranged in
+columns=structures and `* categories' from SRFI-13 and -1, followed
+by the list of name clashes with standard modules.
 
 
-VECTOR-LIB            SEQUENCE-LIB             ABSEQUENCES, also SL
+VECTOR-LIB            SEQUENCE-LIB             ABSEQUENCES, also S.L.
 * Predicates or so
 vector?               sequence?                absequence?
                                                sequence-behavior?
@@ -76,6 +77,17 @@ vectors-for-each      sequences-for-each
 vectors-fold          sequences-fold
 vectors-fold-right    sequences-fold-right
 
+* Name clashes with scheme
+vector-fill!
+list->vector
+
+When using both SCHEME and VECTOR-LIB, you should choose the binding
+explicitly, like so:
+
+    (open (modify scheme (hide vector-fill!
+                               list->vector))
+          vector-lib)
+
                                   *
 
 Prelude

s48/sequences/packages.scm

@@ -1,7 +1,8 @@
 ; Copyright (c) 2003 RT Happe <rthappe at web de>
 ; See the file COPYING distributed with the Scheme Untergrund Library
 
-;;; refers to structure KRIMS from sunterlib/s48/krims
+;;; refers to structures from sunterlib/s48/krims
+;;; relies on implicit shadowing of exported bindings
 
 ;; sequences as data + behaviour
 (define-structure absequences absequences-face
@@ -17,7 +18,9 @@
         srfi-1+                         ; list procs
         srfi-13                         ; string procs
         let-opt                         ; let-optionals [ from scsh ]
-        scheme)
+        (modify scheme (hide map for-each member assoc) ; srfi-1+
+                       (hide string->list string-copy string-fill!) ; srfi-13
+                ))
   (files specseqs))
 
 ;; basic sequence accessors etc.
@@ -29,7 +32,8 @@
         byte-vectors
         srfi-1                          ; make-list
         srfi-23                         ; error
-        scheme)
+        (modify scheme (hide map for-each member assoc) ; srfi-1
+                ))
   (files baseqs))
 
 ;; sequence operations defined in terms of the basic protocol
@@ -40,7 +44,8 @@
         srfi-1+                         ; append! rest
         srfi-23                         ; error
         let-opt                         ; let-optionals [ from scsh ]
-        scheme)
+        (modify scheme (hide map for-each member assoc) ; srfi-1+
+                ))
   (files genseqs))
 
 
@@ -51,7 +56,8 @@
         util                            ; unspecific
         let-opt                         ; let-optionals [ from scsh ]
         srfi-1+                         ; append! drop first rest
-        scheme)
+        (modify scheme (hide map for-each member assoc) ; srfi-1+
+                ))
   ;; bind the basic operations to vector specialists
   (begin
     (define sequence? vector?)
@@ -80,5 +86,8 @@
         srfi-13                         ; string procs
         byte-vectors
         let-opt                         ; let-optionals [ from scsh ]
-        scheme)
+        (modify scheme (hide map for-each member assoc) ; srfi-1
+                       (hide string->list string-copy string-fill!) ; srfi-13
+                       (hide vector-fill! list->vector) ; vector-lib
+                       ))
   (files composeqs))