Examples with CharSeq javaslang.collection.CharSeq used on opensource projects

Example 31 with CharSeq

use of javaslang.collection.CharSeq in project javaslang by javaslang.

the class Euler43Test method tenDigitPandigitalsWithProperty.

private static Seq<Long> tenDigitPandigitalsWithProperty() {
    final CharSeq ALL_DIGITS = CharSeq.of("0123456789");
    final List<Integer> DIVISORS = List.of(2, 3, 5, 7, 11, 13, 17);
    return ALL_DIGITS.combinations(2).flatMap(CharSeq::permutations).flatMap(firstTwoDigits -> DIVISORS.foldLeft(List.of(firstTwoDigits), (accumulator, divisor) -> accumulator.flatMap(digitsSoFar -> ALL_DIGITS.removeAll(digitsSoFar).map(nextDigit -> digitsSoFar.append(nextDigit))).filter(digitsToTest -> digitsToTest.takeRight(3).parseInt() % divisor == 0))).map(tailDigitsWithProperty -> tailDigitsWithProperty.prepend(ALL_DIGITS.removeAll(tailDigitsWithProperty).head())).map(CharSeq::parseLong);
}

Example 32 with CharSeq

use of javaslang.collection.CharSeq in project javaslang by javaslang.

the class CharSeqTest method shouldTabulateTheCharSeq.

@Test
public void shouldTabulateTheCharSeq() {
    final Function<Number, Character> f = i -> i.toString().charAt(0);
    final CharSeq actual = tabulate(3, f);
    assertThat(actual).isEqualTo(of('0', '1', '2'));
}

Example 33 with CharSeq

use of javaslang.collection.CharSeq in project javaslang by javaslang.

the class CharSeqTest method shouldAppendElementToNil.

// -- append
@Test
public void shouldAppendElementToNil() {
    final CharSeq actual = empty().append('1');
    final CharSeq expected = of('1');
    assertThat(actual).isEqualTo(expected);
}

Example 34 with CharSeq

use of javaslang.collection.CharSeq in project javaslang by javaslang.

the class CharSeqTest method shouldReturnSubSequenceWhenIndicesAreWithinRange.

@Test
public void shouldReturnSubSequenceWhenIndicesAreWithinRange() {
    final CharSeq actual = of('1', '2', '3').subSequence(1, 3);
    assertThat(actual).isEqualTo(of('2', '3'));
}

Example 35 with CharSeq

use of javaslang.collection.CharSeq in project javaslang by javaslang.

the class CharSeqTest method shouldAppendAllNilToNonNil.

@Test
public void shouldAppendAllNilToNonNil() {
    final CharSeq actual = of('1', '2', '3').appendAll(empty());
    final CharSeq expected = of('1', '2', '3');
    assertThat(actual).isEqualTo(expected);
}