Zero-cost abstractions

The Rust design principle that high-level constructs (iterators, generics, futures) compile down to code as efficient as hand-written low-level equivalents, with no runtime penalty.

grounded in: latest trends theme 'Rust systems-programming refinement: Front-page debate keeps returning to Rust idioms, editions, and its concurrency model' — zero-cost abstractions is the core idiom under that d