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jeradesign/gist:3ad3b1490758af958d29

Created October 2, 2014 04:59
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gistfile1.txt
#define BIT1 0x01
#define BIT2 0x02
#define BIT3 0x04
// ...
unsigned char value = 0;
if (flag1) {
value += BIT1;
}
if (flag2) {
value += BIT2;
}
if (flag3) {
value += BIT3;
}
NSData *data = [NSData dataWithBytes:&value length:1];
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