*       Synchronization policy</a>
 *   <li><a href="https://github.com/google/guava/wiki/GraphsExplained#notes-for-implementors">Notes
 *       for implementors</a>
 * </ul>
 *
 * @author James Sexton
 * @author Joshua O'Madadhain
 * @param <N> Node parameter type
 * @since 20.0
 */
@Beta
@DoNotMock("Use GraphBuilder to create a real instance")
@ElementTypesAreNonnullByDefault

 *       Synchronization policy</a>
 *   <li><a href="https://github.com/google/guava/wiki/GraphsExplained#notes-for-implementors">Notes
 *       for implementors</a>
 * </ul>
 *
 * @author James Sexton
 * @author Joshua O'Madadhain
 * @param <N> Node parameter type
 * @since 20.0
 */
@Beta
@DoNotMock("Use GraphBuilder to create a real instance")
@ElementTypesAreNonnullByDefault

//// tab | Python 3.8+

```Python hl_lines="31  37"
{!> ../../docs_src/response_model/tutorial005.py!}
```

////

/// tip | "Tipp"

Die Syntax `{"name", "description"}` erzeugt ein `set` mit diesen zwei Werten.

Äquivalent zu `set(["name", "description"])`.

///

#### `list`en statt `set`s verwenden

a.formUtils.parseDate(b,e,f)!==!1},errorMessage:"",errorMessageKey:"badDate"}),a.formUtils.addValidator({name:"checkbox_group",validatorFunction:function(b,c,d,e,f){var g=!0,h=c.attr("name"),i=a('input[type=checkbox][name^="'+h+'"]',f),j=i.filter(":checked").length,k=c.valAttr("qty");if(void 0===k){var l=c.get(0).nodeName;alert('Attribute "data-validation-qty" is missing from '+l+" named "+c.attr("name"))}var m=a.formUtils.numericRangeCheck(j,k);switch(m[0]){case"out":this.errorMessage=e.groupCheckedRangeS...

breakpoint-next(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))\n//    md\n//    >> breakpoint-next(sm, $breakpoint-names: (xs sm md lg xl))\n//    md\n@function breakpoint-next($name, $breakpoints: $grid-breakpoints, $breakpoint-names: map-keys($breakpoints)) {\n  $n: index($breakpoint-names, $name);\n  @return if($n != null and $n < length($breakpoint-names), nth($breakpoint-names, $n + 1), null);\n}\n\n// Minimum breakpoint width. Null for the smallest (first) breakpoint.\n//\n//    >> breakpoint-min(sm,...

   * Entry instances that are either live "read-through" views to the Multiset, or immutable
   * snapshots. Note that this type is unrelated to the similarly-named type {@code Map.Entry}.
   *
   * @since 2.0
   */
  interface Entry<E extends @Nullable Object> {

    /**
     * Returns the multiset element corresponding to this entry. Multiple calls to this method

Some, such as `http2client` and `http2server`,
will be maintained much longer, even indefinitely.

When possible, each GODEBUG setting has an associated
[runtime/metrics](/pkg/runtime/metrics/) counter
named `/godebug/non-default-behavior/<name>:events`
that counts the number of times a particular program's
behavior has changed based on a non-default value
for that setting.
For example, when `GODEBUG=http2client=0` is set,

        // entirely numeric whereas local classes have the user supplied name as a suffix
        return CharMatcher.inRange('0', '9').trimLeadingFrom(innerClassName);
      }
      String packageName = getPackageName();
      if (packageName.isEmpty()) {
        return className;
      }

      // Since this is a top level class, its simple name is always the part after package name.
      return className.substring(packageName.length() + 1);

   * Entry instances that are either live "read-through" views to the Multiset, or immutable
   * snapshots. Note that this type is unrelated to the similarly-named type {@code Map.Entry}.
   *
   * @since 2.0
   */
  interface Entry<E extends @Nullable Object> {

    /**
     * Returns the multiset element corresponding to this entry. Multiple calls to this method

{!../../docs_src/python_types/tutorial009c.py!}
```

De parameter `name` is gedefinieerd als `Optional[str]`, maar is **niet optioneel**, je kunt de functie niet aanroepen zonder de parameter:

```Python
say_hi()  # Oh, nee, dit geeft een foutmelding! 😱
```

De `name` parameter is **nog steeds vereist** (niet *optioneel*) omdat het geen standaardwaarde heeft. Toch accepteert `name` `None` als waarde:

```Python