Crate features / ron
Feature flags · ron 0.12.2 · from crates.io 2026-10-24
ron features: what each one does, and the line to copy
Short answerron 0.12.2 has 4 features. By default it turns on std; add default-features = false to start from nothing. It needs Rust 1.64.0 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
indexmap | std, dep:indexmap | |
integer128 | nothing else (a switch the code checks) | |
internal-span-substring-test | unicode-segmentation | |
std | yes | serde/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 ron declares (rust-version), and the release that changed it:
- 0.8.0 (2022-08-16): Rust 1.56.0
- 0.8.1 (2023-08-17): Rust 1.64.0
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p ron --precise <version>, or use resolver 3, which picks compatible versions for you.
More on ron
Real downloads, dependents and alternatives: ron crate data (265.6K real downloads a day, 1,028 dependents).
docs.rs feature list · crates.io · license MIT OR Apache-2.0 · edition 2021
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