Crate features / nom
Feature flags · nom 8.0.0 · from crates.io 2026-10-24
nom features: what each one does, and the line to copy
Short answernom 8.0.0 has 3 features. By default it turns on std; add default-features = false to start from nothing. It needs Rust 1.65.0 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
alloc | nothing else (a switch the code checks) | |
docsrs | nothing else (a switch the code checks) | |
std | yes | alloc, memchr/std |
dep:x turns on the optional dependency x; x/y turns on feature y of dependency x (with ?, only if x is already on).
MSRV history
The minimum Rust version nom declares (rust-version), and the release that changed it:
- 7.1.1 (2022-03-14): Rust 1.48
- 5.1.3 (2023-04-26): no rust-version declared
- 8.0.0-alpha1 (2024-04-25): Rust 1.56
- 8.0.0-beta.1 (2024-12-08): Rust 1.65.0
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p nom --precise <version>, or use resolver 3, which picks compatible versions for you.
More on nom
Real downloads, dependents and alternatives: nom crate data (2.2M real downloads a day, 2,600 dependents).
docs.rs feature list · crates.io · license MIT · edition 2021
Up next
Before you depend on itnom crate dataReal downloads, dependents, alternatives.Read it next →Did this answer your question?