Mercurial > urweb
annotate src/pair_key_fn.sml @ 2278:b7615e0ac4b0
Fix bug in and clean up free path code.
author | Ziv Scully <ziv@mit.edu> |
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date | Tue, 10 Nov 2015 12:35:00 -0500 |
parents | 6bce459ca581 |
children |
rev | line source |
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ziv@2277 | 1 functor PairKeyFn (structure I : ORD_KEY |
ziv@2277 | 2 structure J : ORD_KEY) |
ziv@2277 | 3 : ORD_KEY where type ord_key = I.ord_key * J.ord_key = struct |
ziv@2277 | 4 |
ziv@2277 | 5 type ord_key = I.ord_key * J.ord_key |
ziv@2277 | 6 |
ziv@2277 | 7 fun compare ((i1, j1), (i2, j2)) = |
ziv@2277 | 8 case I.compare (i1, i2) of |
ziv@2277 | 9 EQUAL => J.compare (j1, j2) |
ziv@2277 | 10 | ord => ord |
ziv@2277 | 11 |
ziv@2277 | 12 end |