IDE0052Unnecessary code rules (expression-level preferences)

Remove unread private member

Description

This rule flags private fields and properties that have one or more write references but no read references. In this scenario, some parts of the code can be refactored or removed to fix maintainability, performance, or functional issues.

Example

// Code with violations
class C
{
    // IDE0052: Remove unread private members
    private readonly int _field1;
    private int _field2;
    private int Property { get; set; }

    public C()
    {
        _field1 = 0;
    }

    public void SetMethod()
    {
        _field2 = 0;
        Property = 0;
    }
}

// Fixed code
class C
{
    public C()
    {
    }

    public void SetMethod()
    {
    }
}

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