The ________ Operator Is Particularly Useful When Working with Complex

question 30

Multiple Choice

The ________ operator is particularly useful when working with complex template types for which it's often difficult to provide, or even determine, the proper type declaration. Rather than trying to write a complex type declaration, for example, that represents the return type of a function, you can place in the parentheses of this operator an expression that returns the complex type and let the compiler "figure it out."

• A) infer_type
• B) decltype
• C) determine_type
• D) static_assert

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Definitions:

Charge

In physics, charge refers to a property of matter that causes it to experience a force when near other electrically charged matter; there are two types, positive and negative, which attract each other.

Solvent

Liquid that holds another substance in solution.

Anion

Ion carrying a negative charge.

Positively Charged

Having more protons than electrons, resulting in a net positive electric charge.