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Antonio Cuni  committed 82e0779

add a project idea

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File pypy/doc/project-ideas.rst

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 PyPy's bytearray type is very inefficient. It would be an interesting
 task to look into possible optimizations on this.
+Implement copy-on-write list slicing
+The idea is to have a special implementation of list objects which is used
+when doing ``myslice = mylist[a:b]``: the new list is not constructed
+immediately, but only when (and if) ``myslice`` or ``mylist`` are mutated.
 Numpy improvements