provides.entrySet().iterator();
        while (providesIter.hasNext()) {
            Map.Entry<String, RequirementMatcher> provideEntry = providesIter.next();
            builder.append(provideEntry.getKey()).append(" = ").append(provideEntry.getValue());
            if (providesIter.hasNext()) {
                builder.append(';');
            }
        }

And that function takes parameters in the same way that *path operation functions* do.

/// tip

You'll see what other "things", apart from functions, can be used as dependencies in the next chapter.

///

Whenever a new request arrives, **FastAPI** will take care of:

* Calling your dependency ("dependable") function with the correct parameters.
* Get the result from your function.

    URL url = getClass().getResource(resourceName);
    for (String line : Resources.readLines(url, UTF_8)) {
      Iterator<String> iterator = splitter.split(line).iterator();
      String input = iterator.next();
      String expectedOutput = iterator.next();
      assertFalse(iterator.hasNext());
      assertEquals(expectedOutput, simplifyPath(input));
    }
  }

import okhttp3.logging.LoggingEventListener

class Main : CliktCommand(name = NAME) {
  override val printHelpOnEmptyArgs = true

  override fun help(context: Context): String = "A curl for the next-generation web."

  val method: String? by option("-X", "--request").help("Specify request command to use")

  val data: String? by option("-d", "--data").help("HTTP POST data")

    minFreshSeconds = minFreshSeconds,
    onlyIfCached = onlyIfCached,
    noTransform = noTransform,
    immutable = immutable,
    headerValue = headerValue,
  )
}

/**
 * Returns the next index in this at or after [startIndex] that is a character from
 * [characters]. Returns the input length if none of the requested characters can be found.
 */
private fun String.indexOfElement(
  characters: String,

                Collection<Artifact> missing = new HashSet<>(e.getMissingArtifacts());

                for (Iterator<Artifact> it = missing.iterator(); it.hasNext(); ) {
                    String key = ArtifactUtils.key(it.next());
                    if (projectIds.contains(key)) {
                        it.remove();
                    }
                }

                if (!missing.isEmpty()) {
                    throw e;

{* ../../docs_src/custom_request_and_route/tutorial001_an_py310.py hl[9:16] *}

### Create a custom `GzipRoute` class { #create-a-custom-gziproute-class }

Next, we create a custom subclass of `fastapi.routing.APIRoute` that will make use of the `GzipRequest`.

This time, it will overwrite the method `APIRoute.get_route_handler()`.

func (l *lastMinuteLatency) forwardTo(t int64) {
	if l.LastSec >= t {
		return
	}
	if t-l.LastSec >= 60 {
		l.Totals = [60]AccElem{}
		return
	}
	for l.LastSec != t {
		// Clear next element.
		idx := (l.LastSec + 1) % 60
		l.Totals[idx] = AccElem{}
		l.LastSec++
	}
}

// LastMinuteHistogram keeps track of last minute sizes added.

    // ...and then putIfAbsent. Simulate failure on both
    when(backingMap.putIfAbsent(eq(KEY), isA(AtomicInteger.class))).thenReturn(existing);

    // next map.get()
    when(backingMap.get(KEY)).thenReturn(existingZero);
    // since get returned zero, try a replace; that fails due to a simulated race

            } else {
                this.calledName = this.calledName.toUpperCase();
            }
        }

        return this.calledName;
    }

    /**
     * Guess next called name to try for session establishment. This
     * method is used exclusively by the <code>jcifs.smb</code> package.
     *
     * @param tc
     *            context to use
     *