Rust Advanced Quiz 4
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1. What does 'std::mem::ManuallyDrop' do?
Prevents a value from being dropped automatically
Forces a value to drop immediately
Deletes a value from the heap only
2. What is a 'Layout' in Rust memory allocation?
The visual arrangement of elements within a graphical user interface
A description of the size and alignment requirements for a block of memory
The specific sequence and padding of individual fields within a structure
3. What is 'Type-Level Programming'?
Writing code that writes types
Only using primitive types
Using the type system to perform computations at compile time
4. What is 'Specialization' in Rust?
Providing multiple implementations of a trait, with some being more specific than others
Restricting the visibility of a structure to ensure it remains private to its module
A mechanism used to assign a unique, descriptive name to a specific generic type
5. What is a 'Lock-free' algorithm?
An algorithm that has been deprecated and no longer functions as intended
A concurrent algorithm that doesn't use Mutexes or RwLocks for synchronization
A software program that lacks standard security protocols and encryption layers
6. What are 'Compiler Intrinsics'?
External plugins used to extend the functionality of a modern IDE
Primitive data types such as i32 that are built into the language
Functions that have a special, direct implementation in the compiler
7. How does Rust represent 'async' functions internally?
As an anonymous State Machine implementing Future
As a separate thread for every call
As a simple function pointer
8. What is 'ABI' (Application Binary Interface)?
A way to write code for humans
The low-level interface between two binary modules
A type of compiler optimization
9. How do you prevent a memory leak when using 'Box::into_raw'?
Trust the garbage collector to identify and reclaim the orphan pointer
Explicitly set the raw pointer variable to null after the final access
Re-construct the Box using Box::from_raw and let it go out of scope
10. What is a 'Circular Dependency' in Rust?
Two crates depending on each other (prohibited by Cargo)
A recursive function definition that repeatedly calls itself
A logic loop within the execution flow that never terminates
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