| author | haftmann |
| Thu, 19 Jul 2007 21:47:34 +0200 | |
| changeset 23850 | f1434532a562 |
| parent 22386 | 4ebe883b02ff |
| child 24421 | acfb2413faa3 |
| permissions | -rw-r--r-- |
| 21341 | 1 |
structure Nat = |
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struct |
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datatype nat = Zero_nat | Suc of nat; |
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fun less_nat n (Suc m) = less_eq_nat n m |
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| less_nat n Zero_nat = false |
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and less_eq_nat (Suc n) m = less_nat n m |
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| less_eq_nat Zero_nat m = true; |
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end; (*struct Nat*) |
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structure Codegen = |
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struct |
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fun in_interval (k, l) n = |
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Nat.less_eq_nat k n andalso Nat.less_eq_nat n l; |
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end; (*struct Codegen*) |