Why Current Rust resources are not enough?

The beginner friendly books like the Rust Book does not prepare students mentally to use a complex programming language like Rust.

Why is Rust complex?

Because it exposes the underlying OS, Hardware characteristics/features to the user. Examples,

• Rust int types expects the user to understand how the values are laid out in memory.

• Rust compiler takes the ownership of deciding when to free up a heap memory (borrow checker), so general programming habbits, idioms learnt by the user may hinder them to write valid Rust code.

• Thinking about safety from the very beginning (try implementing a counter), restricted mutability.

• Liftimes and thinking interms of scopes (Function frames in stack vs heap) Compiler rules

• Traits and Generic programming are complicated in Rust because of Zero cost abstraction.

• Trait objects expects the user to know about dynamic dispatch, unlike Java where every method call is a vitual dispatch. So one should be able to reason about what can be known at compile time vs things that can only be known at runtime. &T

• Working with datastructures are not intuitive because of mutable and immutable references.

• Dealing with OS threads directly and async runtime instead of green threads!

• Knowing the difference between OS thread sync primitives and async thread sync primitives.

• Hard to read generic traits and function signatures.

• Rust iterators, ownership, lifetimes etc., makes it harder to use for DSA style questions

The above reasons makes it harder to read docs and source files also.

1. Intro to Computer Arch

2. Intro to OS

3. Intro to Compilers

Some concepts from the above three can be included in regular course, with examples from C

Other than that we can follow the regular outline of the Rust book.

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