/* * call-seq: * array.flatten -> an_array * * Returns a new array that is a one-dimensional flattening of this * array (recursively). That is, for every element that is an array, * extract its elements into the new array. * * s = [ 1, 2, 3 ] #=> [1, 2, 3] * t = [ 4, 5, 6, [7, 8] ] #=> [4, 5, 6, [7, 8]] * a = [ s, t, 9, 10 ] #=> [[1, 2, 3], [4, 5, 6, [7, 8]], 9, 10] * a.flatten #=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10 */ static VALUE rb_ary_flatten(ary) VALUE ary; { ary = rb_ary_dup(ary); rb_ary_flatten_bang(ary); return ary; }