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v1_9_3_392 - Show latest stable - 1 note - Class: Fixnum

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<<(p1) public

Shifts fix left count positions (right if count is negative).

static VALUE
rb_fix_lshift(VALUE x, VALUE y)
{
    long val, width;

    val = NUM2LONG(x);
    if (!FIXNUM_P(y))
        return rb_big_lshift(rb_int2big(val), y);
    width = FIX2LONG(y);
    if (width < 0)
        return fix_rshift(val, (unsigned long)-width);
    return fix_lshift(val, width);
}

September 21, 2008

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Better Description

This is really a bitshift left.

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Better Description