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C++ Easy technical

Q1. What is the difference between a pointer and a reference?

A pointer is a variable that stores an address. It can be null, reassigned and used with pointer arithmetic. A reference is an alias for an existing object: it must be in...

2 Answer

Rust Medium technical

Q2. Explain the borrow checker with an example.

The borrow checker enforces the borrowing rules at compile time: you may have either one mutable reference or any number of immutable references, and references must alwa...

1 Answer

Rust Medium technical

Q3. What are lifetimes in Rust and when do you need to annotate them?

Lifetimes are generic annotations that describe how long references remain valid, so the compiler can prove they never dangle. Most lifetimes are elided and invisible in ...

0 Answer