public void Method()
{
var a0 = new OptimizedAsyncEnumerable <TestType>().FirstAsync();
var b0 = new OptimizedAsyncEnumerable <TestType>().FirstOrDefaultAsync();
var c0 = AsyncEnumerableExtensions.FirstAsync(new OptimizedAsyncEnumerable <TestType>());
var d0 = AsyncEnumerableExtensions.FirstOrDefaultAsync(new OptimizedAsyncEnumerable <TestType>());
var a1 = new TestType().SingleAsync();
var b1 = new TestType().SingleOrDefaultAsync();
var c1 = NotAsyncEnumerableExtensions.SingleAsync(new TestType());
var d1 = NotAsyncEnumerableExtensions.SingleOrDefaultAsync(new TestType());
var c2 = SingleAsync(new TestType());
var d2 = SingleOrDefaultAsync(new TestType());
}
public ValueTask <TestType> Test_SingleAsync_Method() => AsyncEnumerableExtensions.FirstAsync(new OptimizedAsyncEnumerable <TestType>());
