"Should be able to peek() first element multiple times", "A", peekingIterator.peek());
    assertEquals(
        "next() should still return first element after peeking", "A", peekingIterator.next());

    assertEquals("Should be able to peek() at middle element", "B", peekingIterator.peek());
    assertEquals(
        "Should be able to peek() middle element multiple times", "B", peekingIterator.peek());
    assertEquals(

The [Repeat] function returns a new slice that repeats the

        "Should be able to peek() first element multiple times", "A", peekingIterator.peek());
    assertEquals(
        "next() should still return first element after peeking", "A", peekingIterator.next());

    assertEquals("Should be able to peek() at middle element", "B", peekingIterator.peek());
    assertEquals(
        "Should be able to peek() middle element multiple times", "B", peekingIterator.peek());
    assertEquals(

Aqui está um pouco dessa história.

## Alternativas

Eu tenho criado APIs com requisitos complexos por vários anos (Aprendizado de Máquina, sistemas distribuídos, tarefas assíncronas, banco de dados NoSQL etc.), liderando vários times de desenvolvedores.

Como parte disso, eu precisava investigar, testar e usar muitas alternativas.

A história do **FastAPI** é, em grande parte, a história de seus predecessores.

  private static class Prepender {

    private final String prefix;
    private final int times;

    Prepender(@NotBlank @Nullable String prefix, int times) throws NullPointerException {
      this.prefix = prefix;
      this.times = times;
    }

    Prepender(String... varargs) {
      this(null, 0);
    }

    // just for testing

  private static class Prepender {

    private final String prefix;
    private final int times;

    Prepender(@NotBlank @Nullable String prefix, int times) throws NullPointerException {
      this.prefix = prefix;
      this.times = times;
    }

    Prepender(String... varargs) {
      this(null, 0);
    }

    // just for testing

		dataArray = append(dataArray, toAdd)
	}

	ignoredErrs := []error{
		errFileNotFound,
		errVolumeNotFound,
		errFileVersionNotFound,
		io.ErrUnexpectedEOF, // some times we would read without locks, ignore these errors
		io.EOF,              // some times we would read without locks, ignore these errors
		context.DeadlineExceeded,
		context.Canceled,
	}
	ignoredErrs = append(ignoredErrs, objectOpIgnoredErrs...)

}

// commonTime returns a maximally occurring time from a list of time.
func commonTimeAndOccurrence(times []time.Time, group time.Duration) (maxTime time.Time, maxima int) {
	timeOccurrenceMap := make(map[int64]int, len(times))
	groupNano := group.Nanoseconds()
	// Ignore the uuid sentinel and count the rest.
	for _, t := range times {
		if t.Equal(timeSentinel) || t.IsZero() {
			continue
		}
		nano := t.UnixNano()
		if group > 0 {

 * same dependency is used for different scope. For example a path used for compilation
 * is typically also used for tests.
 */
class PathModularizationCache {
    /**
     * Module information for each JAR file or output directories.
     * Cached when first requested to avoid decoding the module descriptors multiple times.
     *
     * @see #getModuleInfo(Path)
     */

 * same dependency is used for different scope. For example a path used for compilation
 * is typically also used for tests.
 */
class PathModularizationCache {
    /**
     * Module information for each JAR file or output directories.
     * Cached when first requested to avoid decoding the module descriptors multiple times.
     *
     * @see #getModuleInfo(Path)
     */