| 1 | //
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2017 University of Waterloo
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| 3 | //
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| 4 | // The contents of this file are covered under the licence agreement in the
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| 5 | // file "LICENCE" distributed with Cforall.
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| 6 | //
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| 7 | // user_literals.c --
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| 8 | //
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| 9 | // Author : Peter A. Buhr
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| 10 | // Created On : Wed Sep 6 21:40:50 2017
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| 11 | // Last Modified By : Peter A. Buhr
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| 12 | // Last Modified On : Thu Sep 7 22:53:49 2017
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| 13 | // Update Count : 39
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| 14 | //
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| 15 |
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| 16 | #include <fstream>
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| 17 | #include <wchar.h>
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| 18 | #include <uchar.h>
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| 19 |
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| 20 | int ?`s( int s ) { sout | "secs" | s | endl; }
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| 21 | int ?`m( int m ) { sout | "mins" | m | endl; }
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| 22 | int ?`h( int h ) { sout | "hours" | h | endl; }
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| 23 | int ?`_A_( int x ) { sout | "_A_" | x | endl; }
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| 24 | int ?`__thingy_( int x ) { sout | "_thingy_" | x | endl; }
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| 25 |
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| 26 | int ?`s( const char * s ) { sout | "secs" | s | endl; }
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| 27 | int ?`m( const char16_t * m ) { sout | "mins" | m | endl; }
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| 28 | int ?`h( const char32_t * h ) { sout | "hours" | h | endl; }
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| 29 | int ?`_A_( const wchar_t * x ) { sout | "_A_" | x | endl; }
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| 30 | int ?`__thingy_( const char * x ) { sout | "_thingy_" | x | endl; }
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| 31 |
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| 32 |
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| 33 | struct Weight {
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| 34 | double stones;
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| 35 | };
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| 36 | void ?{}( Weight & w ) { w.stones = 0; } // constructors
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| 37 | void ?{}( Weight & w, double w ) { w.stones = w; }
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| 38 |
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| 39 | Weight ?+?( Weight l, Weight r ) { return (Weight){ l.stones + r.stones }; }
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| 40 | ofstream * ?|?( ofstream * os, Weight w ) { return os | w.stones; }
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| 41 |
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| 42 | Weight ?`st( double w ) { return (Weight){ w }; } // user literals
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| 43 | Weight ?`lb( double w ) { return (Weight){ w / 14.0 }; }
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| 44 | Weight ?`kg( double w ) { return (Weight) { w * 0.1575}; }
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| 45 |
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| 46 |
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| 47 | int main() {
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| 48 | Weight w, hw = { 14 };
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| 49 | w = 11`st + 1`lb;
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| 50 | sout | w | endl;
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| 51 | w = 70.3`kg;
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| 52 | sout | w | endl;
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| 53 | w = 155`lb;
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| 54 | sout | w | endl;
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| 55 | w = 0x9b`lb; // hexadecimal weight
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| 56 | sout | w | endl;
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| 57 | w = 0233`lb; // octal weight
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| 58 | sout | w | endl;
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| 59 | w = 5`st + 8`kg + 25`lb + hw;
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| 60 | sout | w | endl;
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| 61 |
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| 62 | // 0`secs;
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| 63 | 1`s;
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| 64 | 23`s;
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| 65 | 23u`m;
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| 66 | 23l`h;
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| 67 | 23_ul`_A_;
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| 68 | 1_234_LL`__thingy_;
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| 69 |
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| 70 | 0xff_ffl;
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| 71 | 0xff_ff`s;
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| 72 | 0xff_ffu`m;
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| 73 | 0xff_ffl`h;
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| 74 | 0xff_fful`_A_;
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| 75 | 0xff_ffLL`__thingy_;
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| 76 |
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| 77 | '\n'`s;
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| 78 | L'\n'`h;
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| 79 | u'\n'`m;
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| 80 | L_'\n'`_A_;
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| 81 | U_'\n'`__thingy_;
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| 82 |
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| 83 | "abc"`s;
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| 84 | u"abc"`m;
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| 85 | U_"abc"`h;
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| 86 | L"abc"`_A_;
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| 87 | u8_"abc"`__thingy_;
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| 88 | } // main
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| 89 |
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| 90 | // Local Variables: //
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| 91 | // tab-width: 4 //
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| 92 | // compile-command: "cfa user_literals.c" //
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| 93 | // End: //
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