method

digest

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digest(p1 = v1) public

If none is given, returns the resulting hash value of the digest, keeping the digest’s state.

If a string is given, returns the hash value for the given string, resetting the digest to the initial state before and after the process.

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static VALUE
rb_digest_instance_digest(int argc, VALUE *argv, VALUE self)
{
    VALUE str, value;

    if (rb_scan_args(argc, argv, "01", &str) > 0) {
        rb_funcall(self, id_reset, 0);
        rb_funcall(self, id_update, 1, str);
        value = rb_funcall(self, id_finish, 0);
        rb_funcall(self, id_reset, 0);
    } else {
        value = rb_funcall(rb_obj_clone(self), id_finish, 0);
    }

    return value;
}

digest

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