November 2017
Intermediate to advanced
264 pages
5h 45m
English
Content preview from Rust Essentials - Second Edition
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Building crates
At the highest level, there is the crate. The Rust distribution contains a number of crates, such as the std crate of the standard library, which we have already used often. Other built-in crates include the collections crate, with functionality to work with strings, vectors, linked lists, and key-value maps, and the test or rustc-test crates, with unit-testing and micro-benchmarking functionality.
A crate is the equivalent of a package or library in other languages. It is also the unit of compilation: rustc only compiles one crate at a time. What does this mean? When our project has a code file containing a main() function, then it is clear that our project is an executable program (also called a binary), starting execution ...
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