doc-src/Codegen/Thy/examples/lexicographic.ML
author haftmann
Thu, 25 Nov 2010 15:40:15 +0100
changeset 40705 03f1266a066e
parent 30226 2f4684e2ea95
permissions -rw-r--r--
toplevel deresolving for flat module name space

structure HOL = 
struct

type 'a eq = {eq : 'a -> 'a -> bool};
fun eq (A_:'a eq) = #eq A_;

type 'a ord = {less_eq : 'a -> 'a -> bool, less : 'a -> 'a -> bool};
fun less_eq (A_:'a ord) = #less_eq A_;
fun less (A_:'a ord) = #less A_;

end; (*struct HOL*)

structure Codegen = 
struct

fun less_eq (A1_, A2_) B_ (x1, y1) (x2, y2) =
  HOL.less A2_ x1 x2 orelse HOL.eq A1_ x1 x2 andalso HOL.less_eq B_ y1 y2;

end; (*struct Codegen*)