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The current version of WAT is 1.206.0.

* (all versions) safe-to-deploy

From bytecodealliance/wasmtime. By Alex Crichton on 2019-10-18.

This is a Bytecode Alliance authored crate maintained in the wasm-tools repository of which I'm one of the primary maintainers and publishers for. I am employed by a member of the Bytecode Alliance and plan to continue doing so and will actively maintain this crate over time.

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safe-to-deploy (implies safe-to-run)

This crate will not introduce a serious security vulnerability to production software exposed to untrusted input. More…

safe-to-run
Implied by other criteria

This crate can be compiled, run, and tested on a local workstation or in controlled automation without surprising consequences. More…


This review is from Crev, a distributed system for code reviews. To add your review, set up cargo-crev.

The current version of WAT is 1.206.0.

1.0.19 (older version) Rating: Positive Thoroughness: Medium Understanding: Medium

by conradgrobler on 2020-07-24

Small code base, well documented, no unsafe code. Depends on wast.


Crates in the crates.io registry are tarball snapshots uploaded by crates' publishers. The registry is not using crates' git repositories. There is absolutely no guarantee that the repository URL declared by the crate belongs to the crate, or that the code in the repository is the code inside the published tarball.

To review the actual code of the crate, it's best to use cargo crev open wat. Alternatively, you can download the tarball of wat v1.206.0 or view the source online.