43 lines
798 B
Markdown
43 lines
798 B
Markdown
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Prepare:
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```shell
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rustup target add wasm32-wasi
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```
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Compile:
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```shell
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cargo build --target=wasm32-wasi
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```
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```shell
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$ ls target/
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debug wasm32-wasi
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```
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运行时（Runtime）
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> 运行这个文件，需要一个运行时（Runtime）。你也可以把这个理解成一个“容器”，“虚拟机”什么的，都行。但是准确的叫法是：运行时。
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> 目前常见的运行时有 wasmtime，wasmer 等。
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> 我们这次用 wasmtime 来运行吧。
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`curl https://wasmtime.dev/install.sh -sSf | bash`
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or download from:
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https://github.com/bytecodealliance/wasmtime/releases
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Run:
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```
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$ wasmtime --dir=. target/wasm32-wasi/debug/wasi.wasm
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Hello, world!
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```
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<br>
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Reference:
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https://mp.weixin.qq.com/s/VYkUvD1NpRdx_qoIdCCq8w - _【Rust每周一知】Rust, wasm, wasi 试玩儿_
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