But if you need to access variables and objects from the same **FastAPI** app, or you need to perform small background tasks (like sending an email notification), you can simply just use `BackgroundTasks`.

## Recap { #recap }

            throw new IOException("Connection not established");
        }

        try {
            // In real implementation, this would perform RDMA write:
            // Similar to rdmaRead but with IBV_WR_RDMA_WRITE opcode

            log.debug("DiSNI RDMA write completed, {} bytes", length);

        } catch (Exception e) {
            state = RdmaConnectionState.ERROR;

    @Nonnull
    Optional<Boolean> ignoreTransitiveRepositories();

    /**
     * Specifies "@file"-like file, to load up command line from. It may contain goals as well. Format is one parameter
     * per line (similar to {@code maven.conf}) and {@code '#'} (hash) marked comment lines are allowed. Goals, if
     * present, are appended, to those specified on CLI input, if any.
     */
    Optional<String> atFile();

    /**

				"application/set-registration-initiation",
				"application/sgml",
				"application/sgml-open-catalog",
				"application/shf+xml",
				"application/sieve",
				"application/simple-filter+xml",
				"application/simple-message-summary",
				"application/simplesymbolcontainer",
				"application/slate",
				"application/smil+xml",
				"application/soap+fastinfoset",
				"application/soap+xml",

        } else {
          quotient = divide(x, radix);
        }
        long rem = x - quotient * radix;
        buf[--i] = Character.forDigit((int) rem, radix);
        x = quotient;
        // Simple modulo/division approach
        while (x > 0) {
          buf[--i] = Character.forDigit((int) (x % radix), radix);
          x /= radix;
        }
      }
      // Generate string

          }
        });
  }

  /**
   * An immutable snapshot of the current state of the service. This class represents a consistent
   * snapshot of the state and therefore it can be used to answer simple queries without needing to
   * grab a lock.
   */
  // @Immutable except that Throwable is mutable (initCause(), setStackTrace(), mutable subclasses).
  private static final class StateSnapshot {
    /**

				r[i].Number = i
				r[i].Size = getEncSize(s)
				sum += r[i].Size
			}
			return ObjectInfo{
				Size:        sum,
				UserDefined: udMap(true),
				Parts:       r,
			}
		}
		// Simple useful utilities
		repeat = func(k int64, n int) []int64 {
			a := []int64{}
			for range n {
				a = append(a, k)
			}
			return a
		}
		lsum = func(s []int64) int64 {
			sum := int64(0)

            return rules.remove(rule);
        }

        @Override
        public boolean hasRule(Rule rule) {
            return rules.contains(rule);
        }
    }

    /**
     * Simple test rule implementation
     */
    public static class TestRule implements Rule {
        private static final long serialVersionUID = 1L;
        private final String ruleId;
        private final boolean matchResult;

![Swagger UI](https://fastapi.tiangolo.com/img/index/index-01-swagger-ui-simple.png)

### Ìdàkejì àkọsílẹ̀ API

Ní báyìí, lọ sí <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>.

مستندات API تعاملی (ایجاد شده به کمک <a href="https://github.com/swagger-api/swagger-ui" class="external-link" target="_blank">Swagger UI</a>) را مشاهده خواهید کرد:

![Swagger UI](https://fastapi.tiangolo.com/img/index/index-01-swagger-ui-simple.png)

### مستندات API جایگزین

حال به آدرس  <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a> بروید.