diff options
author | Vincent Ambo <mail@tazj.in> | 2023-09-02T10·02+0300 |
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committer | tazjin <tazjin@tvl.su> | 2023-09-02T18·20+0000 |
commit | 4ef86040ddc4f5f63465776f1dc984163a449bbe (patch) | |
tree | d0896cbba707a9b76db2160b66e85977e1983f58 /users/tazjin/presentations/tvix-eval-2023/wasm-fs-demo | |
parent | 0e01e91174814fee7d1b3685933d5a974a60bc74 (diff) |
feat(tazjin/presentations): add (intentionally) broken WASM demo r/6542
This demonstrates a Rust stdlib call that just causes runtime panics on WASM, for explaining the problems with porting Tvixbolt. Change-Id: Ief974f1bba509fdac4b9bc9f862ee8f4dfc5158e Reviewed-on: https://cl.tvl.fyi/c/depot/+/9206 Tested-by: BuildkiteCI Reviewed-by: Mark Shevchenko <markshevchenko@gmail.com> Autosubmit: tazjin <tazjin@tvl.su>
Diffstat (limited to '')
5 files changed, 956 insertions, 0 deletions
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--git a/users/tazjin/presentations/tvix-eval-2023/wasm-fs-demo/src/main.rs b/users/tazjin/presentations/tvix-eval-2023/wasm-fs-demo/src/main.rs new file mode 100644 index 000000000000..4ad177ad7a94 --- /dev/null +++ b/users/tazjin/presentations/tvix-eval-2023/wasm-fs-demo/src/main.rs @@ -0,0 +1,41 @@ +use std::time::{SystemTime, UNIX_EPOCH}; +use yew::prelude::*; + +fn time_example() -> Html { + let epoch = match SystemTime::now().duration_since(UNIX_EPOCH) { + Ok(duration) => duration.as_secs(), + Err(err) => { + return html! { + format!("failed to calculate duration: {}", err) + } + } + }; + + html! { + <p> + {"Seconds since epoch: "}{epoch} + </p> + } +} + +struct App; +impl Component for App { + type Message = (); + type Properties = (); + + fn create(_: &Context<Self>) -> Self { + Self + } + + fn update(&mut self, _: &Context<Self>, _: Self::Message) -> bool { + false + } + + fn view(&self, _: &Context<Self>) -> Html { + time_example() + } +} + +fn main() { + yew::Renderer::<App>::new().render(); +} |