package event

import "maps"

// TargetIDSet - Set representation of TargetIDs.
type TargetIDSet map[TargetID]struct{}

// Clone - returns copy of this set.
func (set TargetIDSet) Clone() TargetIDSet {
	setCopy := NewTargetIDSet()
	maps.Copy(setCopy, set)
	return setCopy
}

// add - adds TargetID to the set.
func (set TargetIDSet) add(targetID TargetID) {

# The -vv causes dist to print each build command as it runs.
# go tool dist clean cleans all directories, not just this one,
# but it's as close as we can get.

# Default target (first).
install:
	go tool dist install -v

verbose:
	go tool dist install -vv

clean:

<?xml version="1.0" encoding="UTF-8"?>
<metadata>
  <plugins>
    <plugin>
      <name>Maven Integration Test Plugin</name>
      <prefix>clean</prefix>
      <artifactId>maven-clean-plugin</artifactId>
    </plugin>
    <plugin>
      <name>Maven Integration Test Plugin</name>
      <prefix>deploy</prefix>
      <artifactId>maven-deploy-plugin</artifactId>
    </plugin>
    <plugin>
      <name>Maven Integration Test Plugin</name>

  GRADLE_BUILD_ACTION_CACHE_DEBUG_ENABLED: true

permissions: {}

jobs:
  build:
    name: "Compile All"
    permissions:
      contents: read
    runs-on: ubuntu-latest
    steps:
      - name: git clone
        uses: actions/checkout@v6
      - id: setup-matrix
        run: echo "matrix=$(jq -c -f .github/workflows/extract-unit-test-split.jq .teamcity/subprojects.json)" >> $GITHUB_OUTPUT
      - name: setup java

    int tmp = 0;
    for (int i = 0; i < reps; i++) {
      Integer[] copy = inputArrays[i & 0xFF].clone();
      sort(copy);
      tmp += copy[0];
    }
    return tmp;
  }

  @Benchmark
  int arraysSortOrderingNatural(int reps) {
    int tmp = 0;
    for (int i = 0; i < reps; i++) {
      Integer[] copy = inputArrays[i & 0xFF].clone();
      sort(copy, Ordering.natural());
      tmp += copy[0];
    }
    return tmp;
  }

    }

    @Test
    @DisplayName("clone returns a distinct copy with same properties")
    void clone_returns_copy() {
        // Arrange
        Subject subject = new Subject();
        TestCredentials creds = new TestCredentials("A", true, false, subject, false);

        // Act
        TestCredentials copy = creds.clone();

        // Assert

// Err implements error so we can use it anywhere
type Err struct {
	msg    string
	detail string
	action string
	hint   string
}

// Clone returns a new Err struct with the same information
func (u Err) Clone() Err {
	return Err{
		msg:    u.msg,
		detail: u.detail,
		action: u.action,
		hint:   u.hint,
	}
}

// Error returns the error message
func (u Err) Error() string {

                            predecessors.put(key, pending);
                            pending = new ArrayList<>();
                        }
                    } else {
                        pending.add(element.clone());
                    }
                }

                List<Plugin> result = new ArrayList<>(src.size() + tgt.size());
                for (Map.Entry<Object, Plugin> entry : master.entrySet()) {

		for _, name := range eventName.Expand() {
			rulesMap[name] = rulesMap[name].Union(rules)
		}
	}
}

// Clone - returns copy of this rules map.
func (rulesMap RulesMap) Clone() RulesMap {
	rulesMapCopy := make(RulesMap)

	for eventName, rules := range rulesMap {
		rulesMapCopy[eventName] = rules.Clone()
	}

	return rulesMapCopy
}

// Add - adds given rules map.
func (rulesMap RulesMap) Add(rulesMap2 RulesMap) {

# Development - Contributing

First, you might want to see the basic ways to [help FastAPI and get help](help-fastapi.md){.internal-link target=_blank}.

## Developing

If you already cloned the <a href="https://github.com/fastapi/fastapi" class="external-link" target="_blank">fastapi repository</a> and you want to deep dive in the code, here are some guidelines to set up your environment.

### Virtual environment