Concepts in Go & Rust, page 8
Primitive Scalars: Go vs Rust
Go's int grows with the architecture; Rust fixes sizes like i32 at compile time. Use Go's int for loops and Rust's i32 for counters, but both require explicit casts to mix. Assuming Go's int is 64-bit breaks 32-bit builds, and Rust's as truncates silently.
Structs: Go's Plain Memory vs Rust's Ownership
Structs bundle named fields into a custom type. Use them when tuples or maps collapse under many values. The footgun is assuming the same syntax means the same rules: Go zero-values fields silently, while Rust demands explicit initialization unless you derive…
Go Escape Analysis Chooses Stack Over Heap
Go escape analysis is the compiler pass that decides whether a variable lives on the stack or heap. It avoids heap allocations when data stays local, but any pointer that outlives its function escapes. The footgun is assuming small values never allocate.
Profiling Rust with Linux perf
perf samples CPU stacks thousands of times per second to map where your Rust binary spends time without code changes. Use it on Linux to find hot functions in a slow release build. Omitting debug symbols or frame pointers gives mangled names and broken stacks.
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