// 界 3
	// 世 3
	//   1
	// , 1
	// o 1
	// l 1
	// l 1
	// e 1
	// H 1
}

func ExampleDecodeLastRuneInString() {
	str := "Hello, 世界"

	for len(str) > 0 {
		r, size := utf8.DecodeLastRuneInString(str)
		fmt.Printf("%c %v\n", r, size)

		str = str[:len(str)-size]
	}
	// Output:
	// 界 3
	// 世 3
	//   1
	// , 1
	// o 1
	// l 1
	// l 1
	// e 1
	// H 1

}

}


class Token(BaseModel):
    access_token: str
    token_type: str


class TokenData(BaseModel):
    username: Union[str, None] = None


class User(BaseModel):
    username: str
    email: Union[str, None] = None
    full_name: Union[str, None] = None
    disabled: Union[bool, None] = None


class UserInDB(User):
    hashed_password: str

	_ = slice[:j:k]
	_ = slice[i:j:k]
	
	_ = str[:]
	_ = str[i:]
	_ = str[:j]
	_ = str[i:j]
	_ = str[::] // ERROR "3-index slice of string" "middle index required in 3-index slice" "final index required in 3-index slice"
	_ = str[i::] // ERROR "3-index slice of string" "middle index required in 3-index slice" "final index required in 3-index slice"
	_ = str[:j:] // ERROR "3-index slice of string" "final index required in 3-index slice"

app = FastAPI()


class Image(BaseModel):
    url: HttpUrl
    name: str


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None
    tags: set[str] = set()
    images: Union[list[Image], None] = None


class Offer(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    items: list[Item]

class Token(BaseModel):
    access_token: str
    token_type: str


class TokenData(BaseModel):
    username: Union[str, None] = None
    scopes: List[str] = []


class User(BaseModel):
    username: str
    email: Union[str, None] = None
    full_name: Union[str, None] = None
    disabled: Union[bool, None] = None


class UserInDB(User):
    hashed_password: str

class Token(BaseModel):
    access_token: str
    token_type: str


class TokenData(BaseModel):
    username: Union[str, None] = None
    scopes: List[str] = []


class User(BaseModel):
    username: str
    email: Union[str, None] = None
    full_name: Union[str, None] = None
    disabled: Union[bool, None] = None


class UserInDB(User):
    hashed_password: str

app = FastAPI()


class UserIn(BaseModel):
    username: str
    password: str
    email: EmailStr
    full_name: Union[str, None] = None


class UserOut(BaseModel):
    username: str
    email: EmailStr
    full_name: Union[str, None] = None


class UserInDB(BaseModel):
    username: str
    hashed_password: str
    email: EmailStr
    full_name: Union[str, None] = None

		out := <-outC

		// report any errors
		tstr := fmt.Sprintf("(%.2f seconds)", dt.Seconds())
		if g, e := strings.TrimSpace(out), strings.TrimSpace(eg.Output); g != e {
			fmt.Printf("--- FAIL: %s %s\ngot:\n%s\nwant:\n%s\n",
				eg.Name, tstr, g, e)
			ok = false
		} else if *chatty {
			fmt.Printf("--- PASS: %s %s\n", eg.Name, tstr)
		}
	}

	return

			break
		}
	}

	// Check results.
	for k, v := range m {
		if cv := c.Get(k); cv != v {
			t.Fatalf("c.Get(%v) = %v, want %v", str(k), str(cv), str(v))
		}
	}

	c.Clear()
	for k := range m {
		if cv := c.Get(k); cv != nil {
			t.Fatalf("after GC, c.Get(%v) = %v, want nil", str(k), str(cv))
		}
	}

	// Check that registered cache is cleared at GC.
	c = &registeredCache
	for k, v := range m {
		c.Put(k, v)

     * is absent from Java 6.
     */
    public static String capitalize(String str) {
        if (str == null || str.length() == 0) {
            return str;
        }
        return Character.toTitleCase(str.charAt(0)) + str.substring(1);
    }

    /**
     * Escapes the toString() representation of {@code obj} for use in a literal string.