1 unstable release
0.2.0 | Sep 17, 2021 |
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#966 in WebAssembly
6KB
56 lines
WASMEDGE wasi helper
Usage
In the Cargo.toml
[dependencies]
wasmedge-wasi-helper = "=0.2.0"
To enable the wasi feature
In your wasi functions
use wasmedge_wasi_helper::wasmedge_wasi_helper::_initialize;
pub fn func1() {
_initialize();
// do something which is related to wasi environment variables, arguments, and preopens.
}
To get string data from caller (with WASMEDGE-go support)
use wasmedge_wasi_helper::wasmedge_wasi_helper::get_string_from_caller;
pub fn func1() {
let s = get_string_from_caller();
// do something with the string `s`
}
To get byte array data from caller (with WASMEDGE-go support)
use wasmedge_wasi_helper::wasmedge_wasi_helper::get_bytes_from_caller;
pub fn func1() {
let bs = get_bytes_from_caller();
// do something with the Vec<u8> `bs`
}
To send string data to caller (with WASMEDGE-go support)
use wasmedge_wasi_helper::wasmedge_wasi_helper::send_string_to_caller;
pub fn func1() {
let s = "hello";
send_string_to_caller(s);
}
To get byte array data from caller (with WASMEDGE-go support)
use wasmedge_wasi_helper::wasmedge_wasi_helper::send_bytes_to_caller;
pub fn func1() {
let bs = vec![0u8, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
send_bytes_to_caller(bs);
}