This page has been superceded by a wiki version of this example: StringAndNumberLiteralsExample

/* 

File:      d069.d
Author:    Justin C. Calvarese
Website:   http://jcc_7.tripod.com/d/
License:   Public Domain

Purpose:
Since D 0.69, integer and floating point literals
can have embedded underscores (_) for formatting purposes.

This code demonstrates those features and more...

*/

const int hundred = 100;
const int million = 1_000_000;



/*

Also added in 0.69...

x"0a AA BF" style hex strings.

*/

const char[] myName = x"4A 75 73 74 69 6E"; 


const char[] notRaw = "string\tstring";


/*

Raw (what-you-see-is-what-you-get) strings
implemented in D 0.69

*/

const char[] raw1 = r"string\tstring";
const char[] raw2 = `string\tstring`;
const char[] raw3 = `apostrophe: '  fancy quote: ` ~ "`";



/* See how the strings are automatically concatenated... */
const char[] oneToFive = "one" \t "two" \t "three" \t "four" \t  \t "five";



/* Binary Notation: I'm saying "two" */

const int binTwo      = 0b10;

const int binFancyTwo = 0b000_0010;



/* Hexadecimal Notation: I'm saying "16" */

const int hexSixteen      = 0x10;

const int hexFancySixteen = 0x00_10;



/* Hexadecimal Notation: I'm saying "8" */

const int octEight = 010;





int main() 

{



    /* Print "1000000" */

    printf("%i\n", million);    



    /* Print "2" */

    printf("%i\n", binTwo);  



    /* Print "16" */

    printf("%i\n", hexSixteen);  



    /* Print "8" */

    printf("%i\n", octEight);  





    /* Print "Justin" */

    printf("%.*s\n", myName);   



    /* Print a string with backslashed characters */

    printf("\"Invisible\" backslashed characters: %.*s\n", notRaw); 



    /* Prints a what-you-see-is-what-you-get string */

    printf("What-you-see-is-what-you-get [1]: %.*s\n", raw1);   



    /* Prints a what-you-see-is-what-you-get string */

    printf("What-you-see-is-what-you-get [2]: %.*s\n", raw2);   



    /* Prints a what-you-see-is-what-you-get string */

    printf("What-you-see-is-what-you-get [3]: %.*s\n", raw3);   



    /* Prints one to five */

    printf("one-to-five: %.*s\n\n", oneToFive);





    printf("This is the first line.

This is the second line.

I'd say that D is pretty darn cool (third line).



");





    return 0;

}