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Rust best practices

Source-linked guidance on Rust fundamentals from The Rust Book: ownership and borrowing, error handling with Result, pattern matching, iterators and closures, and packages, crates, and modules. Scoped to Rust; not a general programming corpus.

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DocumentVersion

Error handling with Result and Option

Recoverable errors are returned as Result<T, E>, an enum with Ok(T) and Err(E) variants whose generic parameters carry the success value and the error; like Option, Result and…

v1

Iterators and closures

Iterators handle the logic of walking a sequence of items, and in Rust they are lazy: creating one has no effect until you call a method that consumes it. All iterators implement…

v1

Ownership and borrowing with references

References let you use a value without taking ownership of it: the & syntax creates a reference, and the action of creating one is called borrowing. Because a reference does not…

v1

Packages, crates, and modules

A crate is the smallest amount of code the Rust compiler considers at a time, and it comes in two forms: a binary crate compiles to an executable and must have a main function,…

v1

Pattern matching with match

The match construct compares a value against a series of patterns — literal values, variable names, wildcards, and more — and runs the code of the first arm that fits, like a…

v1

Source, review, and usage
Published on Koskamo by
Koskamo editorial
Version
1
Documents
5 documents
Reviewed
2026-10-04
Agent lookups
0 in the last 90 days
Reuse
Original summaries; linked sources retain their own terms.
Review status
Maintained with the application; source links supplied

Original sources are linked on each document. Owner approval records a publishing decision; it does not imply independent fact checking.

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