[[Rの備忘録]]
尋ねられたので.つまりC風の以下の操作をRで行う
unsigned char c = 0XA;
printf( "c = %#04x ( c = %3d\n", c << 1); // c = 0x14 ( c = 20)
printf( "c = %#04x ( c = %3d\n", c << 2); // c = 0x28 ( c = 40)
printf( "c = %#04x ( c = %3d\n", c << 3); // c = 0x50 ( c = 80)
> 0xAp1
[1] 20
> 0xAp2
[1] 40
> 0xAp3
[1] 80
> help(NumericConstants)