Map<String, Integer> map = new HashMap<>();
    map.put("One", 1);
    map.put("Three", 3);
    Number number = Double.valueOf(42);
    Function<String, Number> function = Functions.forMap(map, number);

    assertEquals(1, function.apply("One").intValue());
    assertEquals(number, function.apply("Two"));
    assertEquals(3L, function.apply("Three").longValue());
  }

  public void testComposition() {

    @Test
    void testMng6572() {
        String a = "20190126.230843"; // resembles a SNAPSHOT
        String b = "1234567890.12345"; // 10 digit number
        String c = "123456789012345.1H.5-beta"; // 15 digit number
        String d = "12345678901234567890.1H.5-beta"; // 20 digit number

        checkVersionsOrder(a, b);
        checkVersionsOrder(b, c);
        checkVersionsOrder(a, c);
        checkVersionsOrder(c, d);

## Валідація числових даних: більше ніж і менше або дорівнює { #number-validations-greater-than-and-less-than-or-equal }

Те саме застосовується до:

* `gt`: `g`reater `t`han
* `le`: `l`ess than or `e`qual

{* ../../docs_src/path_params_numeric_validations/tutorial005_an_py310.py hl[10] *}

## Валідація числових даних: float, більше ніж і менше ніж { #number-validations-floats-greater-than-and-less-than }

@State(Scope.Benchmark)
public class LongKeyedBucketOrdsBenchmark {
    private static final long LIMIT = 1_000_000;
    /**
     * The number of distinct values to add to the buckets.
     */
    private static final long DISTINCT_VALUES = 210;
    /**
     * The number of buckets to create in the {@link #multiBucket} case.
     * <p>
     * If this is not relatively prime to {@link #DISTINCT_VALUES_IN_BUCKETS}

		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		(*z) = rebalSaveOpts(zb0001)
	}
	o = bts
	return
}

// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z rebalSaveOpts) Msgsize() (s int) {
	s = msgp.Uint8Size
	return
}

// DecodeMsg implements msgp.Decodable

		default:
			bts, err = msgp.Skip(bts)
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}
	o = bts
	return
}

// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z BatchJobKV) Msgsize() (s int) {
	s = 1 + 4 + msgp.StringPrefixSize + len(z.Key) + 6 + msgp.StringPrefixSize + len(z.Value)
	return
}

        /** Maximum number of lines to buffer. */
        private final int maxLineBuffer;

        /**
         * Constructor for InputStreamThread.
         * @param is The input stream to read from.
         * @param charset The character encoding to use.
         * @param maxOutputLineBuffer The maximum number of lines to buffer.
         */

        final Object value = map.get(key);
        if (value == null) {
            return defaultValue;
        }
        if (value instanceof Number numValue) {
            return numValue.longValue();
        }
        return Long.parseLong(value.toString());
    }

    /**
     * Gets an Integer value from the map.
     *
     * @param map The source map

        this.outputBufferOffset = outputBufferOffset;
    }

    /**
     * Gets the number of bytes actually read
     *
     * @return the dataLength
     */
    public int getDataLength() {
        return this.dataLength;
    }

    /**
     * Gets the number of bytes remaining to be read
     *
     * @return the dataRemaining
     */
    public int getDataRemaining() {

     *
     * @return the transaction buffer size
     */
    int getTransactionBufferSize();

    /**
     * Gets the number of initial credits granted by the server for SMB2.
     *
     * @return number of initial credits the server grants
     */
    int getInitialCredits();

    /**
     * Checks whether a connection can be reused for the given configuration.
     *