/* * call-seq: * row.each { |column, value| block } -> row * row.each { |value| block } -> row * * Iterate with values or column,value pairs. */ static VALUE pgrow_each(self) VALUE self; { int arity = NUM2INT(rb_funcall(rb_block_proc(), rb_intern("arity"), 0)); if (arity == 2) { pgrow_each_pair(self); } else { pgrow_each_value(self); } return self; }