15 lines
392 B
Plaintext
15 lines
392 B
Plaintext
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In {cpp}, it is preferred to use reference parameters (`Type const&` or `Type&`), or pass objects by value (`Type`), instead of a pointer (`Type const*` or `Type*`), if the argument is expected to never be null.
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[source,cpp]
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----
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// Precondition: graph != null
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bool isDAG(Graph const* graph);
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----
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The preferred signature would be:
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[source,cpp]
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----
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bool isDAG(Graph const& graph);
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----
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