Use enumerator explicitly

Property	Value
Id	RR0206
Applicable Syntax	foreach statement
Syntax Span	foreach keyword
Enabled by Default	✓

Usage

Example #1

before.cs

foreach (var item in items)
{
    yield return item;
}

after.cs

using (var en = items.GetEnumerator())
{
    while (en.MoveNext())
    {
        yield return item;
    }
}

Configuration

roslynator_refactoring.use_enumerator_explicitly.enabled = true|false