Methods
J
Instance Public methods
json_create(o)

Raw Strings are JSON Objects (the raw bytes are stored in an array for the key “raw”). The Ruby String can be created by this module method.

Source: show 

static VALUE mString_Extend_json_create(VALUE self, VALUE o)
{
    VALUE ary;
    Check_Type(o, T_HASH);
    ary = rb_hash_aref(o, rb_str_new2("raw"));
    return rb_funcall(ary, i_pack, 1, rb_str_new2("C*"));
}