Examples of java.util.function.IntUnaryOperator

java.util.function.IntUnaryOperator
Represents an operation on a single {@code int}-valued operand that produces an {@code int}-valued result. This is the primitive type specialization of {@link UnaryOperator} for {@code int}.
This is a functional interface whose functional method is {@link #applyAsInt(int)}. @see UnaryOperator @since 1.8

        assertIntUnaryOperator(test, UncheckedException.class);
    }


    @Test
    public void testCheckedIntUnaryOperatorWithCustomHandler() {
        IntUnaryOperator test = Unchecked.intUnaryOperator(
            i -> {
                throw new Exception("" + i);
            },
            e -> {
                throw new IllegalStateException(e);

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                            .afterUpdateItem((i, p) -> nonEmptyCells.add(cell.getNode()));
                });


        // initialize navigator
        IntSupplier cellCount = () -> area.getParagraphs().size();
        IntUnaryOperator cellLength = i -> virtualFlow.getCell(i).getNode().getLineCount();
        navigator = new TwoLevelNavigator(cellCount, cellLength);


        // emits a value every time the area is done updating
        EventStream<?> areaDoneUpdating = area.beingUpdatedProperty().offs();

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