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doc-src/Tutorial/CodeGen/expr
author paulson
Fri, 19 Mar 2004 10:42:38 +0100
changeset 14472 cba7c0a3ffb3
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Removing the datatype declaration of "order" allows the standard General.order to be used. Thus we can use Int.compare and String.compare instead of the slower home-grown versions.
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types 'v binop = 'v => 'v => 'v
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datatype ('a,'v) expr = Cex 'v
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                      | Vex 'a
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                      | Bex ('v binop)  (('a,'v) expr) (('a,'v) expr)
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