shl - luxembourg/muxcode-clm GitHub Wiki
SHL()
FUNCTION: shl(<number>,<count>)
Performs a leftwards bit-shift on <number>, shifting it <count> times.
This is equivalent to imul(<number>,pow(2,<count>), but much faster.
Example:
> think shl(2,10)
2048
Related Topics: shr, band, bnand, bor, bxor