36 lines
534 B
Plaintext
36 lines
534 B
Plaintext
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Calling <code>ToString()</code> on an object should always return a string. Returning <code>null</code> instead contravenes the method's implicit contract.
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== Noncompliant Code Example
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----
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public override string ToString ()
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{
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if (this.collection.Count == 0)
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{
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return null; // Noncompliant
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}
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else
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{
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// ...
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}
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}
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----
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== Compliant Solution
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----
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public override string ToString ()
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{
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if (this.collection.Count == 0)
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{
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return string.Empty;
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}
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else
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{
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// ...
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}
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}
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----
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include::../see.adoc[]
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