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diff --git a/progs/prelude/README b/progs/prelude/README new file mode 100644 index 0000000..2decc21 --- /dev/null +++ b/progs/prelude/README @@ -0,0 +1,12 @@ + +This is the actual prelude used by the Yale system. This contains a many +small changes to the standard prelude, mostly optimizer annotations. +PreludeIO is totally different since we have flushed streams in favor +of the monad. Primitives are defined using the Haskell to Lisp interface. + +Arrays are implemented internally using destructive updates - no array +primitive involves more than one copy operation and lookup is constant +time. + +The data constructors for Complex and Rational are strict. + |