Cplusplus Programming Lambda Expressions Online Exam Quiz
Cplusplus Programming Lambda Expressions GK Quiz. Question and Answers related to Cplusplus Programming Lambda Expressions. MCQ (Multiple Choice Questions with answers about Cplusplus Programming Lambda Expressions
Which of the following operator is used to capture all the external variable by reference?
Options
A : &
B : =
C : *
D : &&
Which of the following operator is used to capture all the external variable by value?
Options
A : &
B : =
C : *
D : &&
Which is the correct syntax of capturing a variable ‘X’ by reference and other variable ‘Y’ by value in lambda expression?
Options
A : [&X, Y]
B : [X, &y]
C : [X, Y]
D : [&x, &Y]
What is the syntax of defining lambda expression?
Options
A : [capture clause](parameters) -> return_type { body of the function }
B : [parameters](capture clause) -> return_type { body of the function }
C : [parameters:capture clause]() -> return_type { body of the function }
D : [capture clause:parameters]() -> return_type { body of the function }
In how many ways we can capture the external variables in the lambda expression?
Options
A : 1
B : 2
C : 3
D : 4
What is lambda expression in C++?
Options
A : A technique of C++ that allows us to write inline functions without a name
B : A technique of C++ that allows us to write overloaded functions
C : A technique of C++ that allows us to write functions that are called more than once
D : A technique of C++ that allows us to write functions without parameters
What is the correct statement about lambda expression?
Options
A : The return type of lambda expression can be neglected in some cases
B : The return type of lambda expression must be specified in all cases
C : Lambda expression should be very large functions
D : Lambda expression is also available in C
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