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instance method

Range#to_a

rng.to_a → array

static VALUE
range_to_a(VALUE range)
{
    if (NIL_P(RANGE_END(range))) {
        rb_raise(rb_eRangeError, "cannot convert endless range to an array");
    }
    return rb_call_super(0, 0);
}

Returns an array containing the items in the range.

Example

(1..7).to_a  #=> [1, 2, 3, 4, 5, 6, 7]
(1..).to_a   #=> RangeError: cannot convert endless range to an array

See also #step #to_json #size #to_s also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1

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