clause.Expression = s.Expression
	} else {
		clause.Expression = s
	}
}

// CommaExpression represents a group of expressions separated by commas.
type CommaExpression struct {
	Exprs []Expression
}

func (comma CommaExpression) Build(builder Builder) {
	for idx, expr := range comma.Exprs {
		if idx > 0 {
			_, _ = builder.WriteString(", ")
		}
		expr.Build(builder)
	}

      if (!skipCommasAndWhitespace() && !exhausted()) return // Expected ',' or EOF.
    }
    result.add(Challenge(schemeName, parameters))
  }
}

/** Returns true if any commas were skipped. */
private fun Buffer.skipCommasAndWhitespace(): Boolean {
  var commaFound = false
  loop@ while (!exhausted()) {
    when (this[0]) {
      ','.code.toByte() -> {
        // Consume ','.

}

// Use a Scanner with a custom split function to parse a comma-separated
// list with an empty final value.
func ExampleScanner_emptyFinalToken() {
	// Comma-separated list; last entry is empty.
	const input = "1,2,3,4,"
	scanner := bufio.NewScanner(strings.NewReader(input))
	// Define a split function that separates on commas.
	onComma := func(data []byte, atEOF bool) (advance int, token []byte, err error) {

        run: |
          set -eu
          for commit in $(git rev-list ${{ github.event.pull_request.base.sha }}..${{ github.event.pull_request.head.sha }}); do
              git checkout $commit --quiet --detach
              WRAPPER_GRADLE_VERSION=$(grep "distributionUrl" gradle/wrapper/gradle-wrapper.properties | sed 's/.*gradle-\(.*\)-[a-z]*\.[a-z]*/\1/')
              echo "Commit $commit wrapper: $WRAPPER_GRADLE_VERSION"

    rev: v0.12.10
    hooks:
    -   id: ruff
        args:
        - --fix
    -   id: ruff-format
ci:
    autofix_commit_msg: 🎨 [pre-commit.ci] Auto format from pre-commit.com hooks

Shinsuke Sugaya <******@****.***> 1703312328 +0900

Klaus Post <******@****.***> 1756435188 +0200

Klaus Post <******@****.***> 1756435188 +0200

Shinsuke Sugaya <******@****.***> 1647484183 +0900

jiuker <******@****.***> 1695056454 +0800