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[SVN r36040]

example/fsm/README.txt

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+What's In This Directory
+======================== 
+
+* player1.cpp - this is exactly what's covered in C++ Template
+  Metaprogramming (http://www.boost-consulting.com/mplbook); in fact,
+  it was auto-extracted from the examples as shown in the book.  The
+  state machine framework and its use are together in one .cpp file;
+  normally they would be separated. You can think of the framework as
+  ending with the definition of the generate_dispatcher class
+  template.
+
+  You can ignore the typedef called "dummy;" that was included in order to
+  test an intermediate example that appears in the book.
+
+* player2.cpp - this example demonstrates that the abstraction of the
+  framework is complete by replacing its implementation with one that
+  dispatches using O(1) table lookups, while still using the same code
+  to describe the particular FSM.  Look at this one if you want to see
+  how to generate a static lookup table that's initialized at dynamic
+  initialization time.
+
+* player.cpp, state_machine.hpp - This example predates the book, and
+  is more sophisticated in some ways than what we cover in the other
+  examples.  In particular, it supports state invariants, and it
+  maintains an internal event queue, which requires an additional
+  layer of runtime dispatching to sort out the next event to be
+  processed.
+