* {@link #or(Object)} or {@link #orNull} instead.
   *
   * <p><b>Comparison to {@code java.util.Optional}:</b> when the value is absent, this method
   * throws {@link IllegalStateException}, whereas the {@code java.util} counterpart throws {@link
   * java.util.NoSuchElementException NoSuchElementException}.
   *
   * @throws IllegalStateException if the instance is absent ({@link #isPresent} returns {@code

	for i := 0; i < iterations; i++ {
		bytesToAllocate := rand.Intn(maxBytes)
		buff := target.Allocate(uint64(bytesToAllocate))
		if cap(buff) < bytesToAllocate {
			t.Fatalf("expected the buffer to allocate: %v bytes whereas it allocated: %v bytes", bytesToAllocate, cap(buff))
		}
		if len(buff) != bytesToAllocate {
			t.Fatalf("unexpected length of the buffer, expected: %v, got: %v", bytesToAllocate, len(buff))
		}
	}
}

* "Add configuration...".
* Select "Python"
* Run the debugger with the option "`Python: Current File (Integrated Terminal)`".

It will then start the server with your **FastAPI** code, stop at your breakpoints, etc.

Here's how it might look:

<img src="/img/tutorial/debugging/image01.png">

---

If you use Pycharm, you can:

* Open the "Run" menu.
* Select the option "Debug...".
* Then a context menu shows up.

// license that can be found in the LICENSE file.

#include "go_asm.h"
#include "go_tls.h"
#include "textflag.h"

// s390x can copy/zero 1-256 bytes with a single instruction,
// so there's no need for these, except to satisfy the prototypes
// in stubs.go.

TEXT runtime·duffzero(SB),NOSPLIT|NOFRAME,$0-0
	MOVD	$0, 2(R0)
	RET

TEXT runtime·duffcopy(SB),NOSPLIT|NOFRAME,$0-0
	MOVD	$0, 2(R0)

@app.get("/portal")
async def get_portal(teleport: bool = False) -> Union[Response, dict]:
    if teleport:
        return RedirectResponse(url="https://www.youtube.com/watch?v=dQw4w9WgXcQ")

// license that can be found in the LICENSE file.

package p

type A interface {
	// TODO(mdempsky): This should be an error, but this error is
	// nonsense. The error should actually mention that there's a
	// type loop.
	Fn(A.Fn) // ERROR "type A has no method Fn|A.Fn undefined|A.Fn is not a type"

	if path == "" {
		return []string{}
	}
	return strings.Split(path, string(ListSeparator))
}

func abs(path string) (string, error) {
	return unixAbs(path)
}

func join(elem []string) string {
	// If there's a bug here, fix the logic in ./path_plan9.go too.
	for i, e := range elem {
		if e != "" {
			return Clean(strings.Join(elem[i:], string(Separator)))
		}
	}
	return ""
}

func sameWord(a, b string) bool {

@needs_py39
def test_get_no_item(client: TestClient):
    response = client.get("/items/foo")
    assert response.status_code == 404, response.text
    assert response.json() == {"detail": "Item not found, there's only a plumbus here"}


@needs_py39
def test_get(client: TestClient):
    response = client.get("/items/plumbus")
    assert response.status_code == 200, response.text
    assert response.json() == "plumbus"

# `FastAPI` class

Here's the reference information for the `FastAPI` class, with all its parameters, attributes and methods.

You can import the `FastAPI` class directly from `fastapi`:

```python
from fastapi import FastAPI
```

::: fastapi.FastAPI
    options:
        members:
            - openapi_version
            - webhooks
            - state
            - dependency_overrides
            - openapi

    // https://github.com/google/guava/issues/2996
    // no data, just testing that there's no StackOverflowException
    assertEquals(-1, tenMillionEmptySources().read());
  }

  public void testReadArray_noStackOverflow() throws IOException {
    // https://github.com/google/guava/issues/2996
    // no data, just testing that there's no StackOverflowException
    assertEquals(-1, tenMillionEmptySources().read(new byte[1]));
  }