source:
examples/prolog.c
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[86bd7c1f] | 1 | // |
2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo | |
3 | // | |
4 | // The contents of this file are covered under the licence agreement in the | |
5 | // file "LICENCE" distributed with Cforall. | |
6 | // | |
[73abe95] | 7 | // prolog.c -- |
[86bd7c1f] | 8 | // |
9 | // Author : Richard C. Bilson | |
10 | // Created On : Wed May 27 17:56:53 2015 | |
11 | // Last Modified By : Peter A. Buhr | |
[b63e376] | 12 | // Last Modified On : Tue Mar 8 22:09:39 2016 |
13 | // Update Count : 5 | |
[86bd7c1f] | 14 | // |
[a0d9f94] | 15 | |
[73abe95] | 16 | #include <fstream.hfa> |
[a0d9f94] | 17 | |
[b63e376] | 18 | void printResult( int x ) { sout | "int" | endl; } |
19 | void printResult( double x ) { sout | "double" | endl; } | |
20 | void printResult( char * x ) { sout | "char*" | endl; } | |
[a0d9f94] | 21 | |
22 | void is_arithmetic( int x ) {} | |
23 | void is_arithmetic( double x ) {} | |
24 | ||
25 | void is_integer( int x ) {} | |
26 | ||
[b63e376] | 27 | trait ArithmeticType( otype T ) { |
[86bd7c1f] | 28 | void is_arithmetic( T ); |
[a0d9f94] | 29 | }; |
30 | ||
[b63e376] | 31 | trait IntegralType( otype T | ArithmeticType( T ) ) { |
[86bd7c1f] | 32 | void is_integer( T ); |
[a0d9f94] | 33 | }; |
34 | ||
[b63e376] | 35 | forall( otype T | IntegralType( T ) | { void printResult( T ); } ) |
[a0d9f94] | 36 | void hornclause( T param ) { |
[86bd7c1f] | 37 | printResult( param ); |
[a0d9f94] | 38 | } |
39 | ||
40 | int main() { | |
[86bd7c1f] | 41 | int x; |
42 | double x; | |
43 | char * x; | |
44 | hornclause( x ); | |
[a0d9f94] | 45 | } |
[86bd7c1f] | 46 | |
47 | // Local Variables: // | |
48 | // tab-width: 4 // | |
49 | // compile-command: "cfa prolog.c" // | |
50 | // End: // |
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