src/Pure/General/README
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     1 
       
     2                                 Pure/General/
       
     3 
       
     4 
       
     5 This directory contains general purpose modules, all of which are
       
     6 exported.
       
     7 
       
     8   TableFun      (generic tables)
       
     9   Symtab        (tables indexed by strings)
       
    10   GraphFun	(generic directed graphs)
       
    11   Graph		(graphs indexed by strings)
       
    12   HeapFun	(heaps over linearly ordered types)
       
    13   Object        (generic objects of arbitrary type)
       
    14   Seq           (unbounded sequences)
       
    15   NameSpace     (hierarchically structured name spaces)
       
    16   Position      (input positions)
       
    17   Scan          (generic scanner toolbox)
       
    18   Source        (co-algebraic data sources)
       
    19   Symbol        (generalized characters)
       
    20   Path          (abstract algebra of file paths)
       
    21   Url           (basic URL support)
       
    22   File          (file system operations)
       
    23   Buffer	(simple string buffers)
       
    24   History       (histories of values, with undo and redo)
       
    25   Pretty        (generic pretty printing module)