maybeGetSingleReturnExpression function

Expression? maybeGetSingleReturnExpression(FunctionBody body)

Implementation

Expression? maybeGetSingleReturnExpression(FunctionBody body) {
  return switch (body) {
    ExpressionFunctionBody(:final expression) ||
    BlockFunctionBody(
      block: Block(
        statements: [
          ReturnStatement(:final expression?),
        ],
      )
    ) =>
      expression,
    _ => null,
  };
}