// 
// Cforall Version 1.0.0 Copyright (C) 2017 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
// 
// user_literals.c -- 
// 
// Author           : Peter A. Buhr
// Created On       : Wed Sep  6 21:40:50 2017
// Last Modified By : Peter A. Buhr
// Last Modified On : Sun Apr 29 16:51:42 2018
// Update Count     : 54
// 

#include <fstream>
#include <wchar.h>
#include <uchar.h>

int ?`s( int s ) { sout | "secs" | s | endl; return s; }
int ?`m( int m ) { sout | "mins" | m | endl; return m * 60; }
int ?`h( int h ) { sout | "hours" | h | endl; return h * 3600; }
int ?`_A_( int x ) { sout | "_A_" | x | endl; return x; }
int ?`__thingy_( int x ) { sout | "_thingy_" | x | endl; return x; }

int ?`s( const char * s ) { sout | "secs" | s | endl; return 0; }
int ?`m( const char16_t * m ) { sout | "mins" | m | endl; return 0;}
int ?`h( const char32_t * h ) { sout | "hours" | h | endl; return 0; }
int ?`_A_( const wchar_t * str ) { sout | "_A_" | str | endl; return 0; }
int ?`__thingy_( const char * str ) { sout | "_thingy_" | str | endl; return 0; }


struct Weight { double stones; };
void ?{}( Weight & w ) { w.stones = 0; }
void ?{}( Weight & w, double w ) { w.stones = w; }
Weight ?+?( Weight l, Weight r ) {
	return (Weight){ l.stones + r.stones };
}
ofstream & ?|?( ofstream & os, Weight w ) { return os | w.stones; }

Weight ?`st( double w ) { return (Weight){ w }; }		// backquote for user literals
Weight ?`lb( double w ) { return (Weight){ w / 14.0 }; }
Weight ?`kg( double w ) { return (Weight) { w * 0.16 }; }

int main() {
	Weight w, heavy = { 20 };							// 20 stone
	w = 155`lb;
	sout | w | endl;
	w = 0b_1111`st;
	sout | w | endl;
	w = 0_233`lb;										// octal weight (155)
	sout | w | endl;
	w = 0x_9b_u`kg;
	sout | w | endl;
	w = 70.3`kg;
	sout | w | endl;
	w = 11`st + 1`lb;
	sout | w | endl;
	w = 5`st + 8`kg + 25`lb + heavy;
	sout | w | endl;

//	0`secs;
	1`s;
	23`s;
	23u`m;
	23l`h;
	23_ul`_A_;
	1_234_LL`__thingy_;

	0xff_ffl;
	0xff_ff`s;
	0xff_ffu`m;
	0xff_ffl`h;
	0xff_fful`_A_;
	0xff_ffLL`__thingy_;

	'\n'`s;
	L'\n'`h;
	u'\n'`m;
	L_'\n'`_A_;
	U_'\n'`__thingy_;

	"abc"`s;
//	u"abc"`m;
//	U_"abc"`h;
//	L"abc"`_A_;
	u8_"abc"`__thingy_;
} // main

// Local Variables: //
// tab-width: 4 //
// compile-command: "cfa user_literals.c" //
// End: //