wasmtime-demos

Historical and dated demos for Wasmtime usage and WASI content

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3Mentions

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155GitHub stars

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Historical and dated demos for Wasmtime usage and WASI content

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Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 12:54:37 PM UTC.

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Observed mentions: 2019-11-12 17:32:29 UTC to 2019-11-12 18:49:41 UTC.

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Period	Start (UTC)	End (exclusive, UTC)	Mentions	Submissions	Comments
Nov 12, 17:00	2019-11-12 17:00:00 UTC	2019-11-12 18:00:00 UTC	1	0	1
Nov 12, 18:00	2019-11-12 18:00:00 UTC	2019-11-12 19:00:00 UTC	2	0	2

What Hacker News says

3 sources

sunfish·Nov 12, 2019

Wasmtime is being developed to be usable as just such an embedded runtime. We have some demos of this here: https://github.com/bytecodealliance/wasmtime-demos

In The Bytecode Alliance: Building a secure, composable future for WebAssembly

JoshTriplett·Nov 12, 2019

That sounds great! I'd love to hear more about that. Are you looking to support extension of Tcl with WebAssembly, or using Tcl inside WebAssembly? I think wasmtime would likely be a good fit for your use case; you could either use the wasmtime C API, or use Rust to bind to Tcl and to the wasmtime-api Rust crate. I've found it quite easy to embed wasmtime and run a simple WebAssembly module. See https://github.com/bytecodealliance/wasmtime-demos for some samples of how to do so.

In The Bytecode Alliance: Building a secure, composable future for WebAssembly

JoshTriplett·Nov 12, 2019

> someone mentioned the spec for WebAssembly is generic enough to apply outside of the web Absolutely. The spec provides a set of instructions and their semantics. Browsers provide a set of common runtime APIs. Non-browser environments can provide the sandbox with any API surface area they want. > in any runtime this includes NodeJS but also excludes it as we see future runtimes node.js is working on WASI support, and I'd also expect to see versions of JavaScript that run inside the WebAssembly sandbox. When we say "any language", that includes people who want to run JavaScript. > Aside from WebAssembly being in every modern browser what do you think will be the next killer feature for WebAssembly? Shared-nothing linking; libraries that don't have to trust each other with their entire address space. I see WebAssembly as the future plugin

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interface for any software that wants to be extensible. > It would also be interesting to have an embedded WebAssembly plugin runtime, much like Lua is used all over now that you mention all those examples. wasmtime is easy to embed; it only takes a handful of lines to load a WebAssembly file, hand it a few functions of your choice, and run it. See https://github.com/bytecodealliance/wasmtime-demos for various demos of how to embed wasmtime.

In The Bytecode Alliance: Building a secure, composable future for WebAssembly