tezvyn:

Go's mandatory runtime versus Rust's minimal runtime

Source: interviewintermediate

WHAT IT TESTS: understanding of runtime cost and its limits. OUTLINE: Go ships a GC and goroutine scheduler in every binary, ideal for services; Rust has only a tiny runtime and no GC, enabling embedded, kernels, and WASM.

WHAT IT TESTS: whether you understand what a language runtime is and how its weight bounds applicability. ANSWER OUTLINE: Go links a mandatory runtime into every binary, including a garbage collector and an M:N goroutine scheduler, which makes it excellent for network services and CLIs where throughput and developer speed matter. Rust has a minimal runtime (essentially startup and panic machinery, no GC, no scheduler), embodying zero-cost abstractions.

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Go's mandatory runtime versus Rust's minimal runtime · Tezvyn