$ zig version
0.7.1+ba2f2e139
$ zig build-lib math.zig -target wasm32-freestanding
$ python3 -m http.server 8000
# then open browser
Created
December 25, 2020 06:12
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Zig and WASM
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| <!DOCTYPE html> | |
| <head> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>Zig and WASM</title> | |
| </head> | |
| <body> | |
| <script> | |
| const env = { | |
| print(n) { console.log(n + 100); } | |
| }; | |
| WebAssembly.instantiateStreaming(fetch('math.wasm'), {env}) | |
| .then(obj => { | |
| obj.instance.exports.add(1, 2); // 103 | |
| env.print(9); // 109 | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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| extern fn print(i32) void; | |
| export fn add(a: i32, b: i32) void { | |
| print(a + b); | |
| } |
doccaico
commented
Dec 25, 2020
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