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For clarity in examples avoid importing/exporting functions of the same name. (#6211)

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This commit is contained in:
matt rice
2023-04-14 15:32:05 +00:00
committed by GitHub
parent cc1c14ac91
commit 26f9ce02bc
2 changed files with 7 additions and 7 deletions
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4
crates/wasmtime/README.md
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@@ -72,7 +72,7 @@ fn main() -> Result<()> {
let engine = Engine::default(); let engine = Engine::default();
let wat = r#" let wat = r#"
(module (module
(import "host" "hello" (func $host_hello (param i32))) (import "host" "host_func" (func $host_hello (param i32)))
(func (export "hello") (func (export "hello")
i32.const 3 i32.const 3
@@ -84,7 +84,7 @@ fn main() -> Result<()> {
// Create a `Linker` which will be later used to instantiate this module. // Create a `Linker` which will be later used to instantiate this module.
// Host functionality is defined by name within the `Linker`. // Host functionality is defined by name within the `Linker`.
let mut linker = Linker::new(&engine); let mut linker = Linker::new(&engine);
linker.func_wrap("host", "hello", |caller: Caller<'_, u32>, param: i32| { linker.func_wrap("host", "host_func", |caller: Caller<'_, u32>, param: i32| {
println!("Got {} from WebAssembly", param); println!("Got {} from WebAssembly", param);
println!("my host state is: {}", caller.data()); println!("my host state is: {}", caller.data());
})?; })?;

10
crates/wasmtime/src/lib.rs
View File

@@ -34,7 +34,7 @@
//! let engine = Engine::default(); //! let engine = Engine::default();
//! let wat = r#" //! let wat = r#"
//! (module //! (module
//! (import "host" "hello" (func $host_hello (param i32))) //! (import "host" "host_func" (func $host_hello (param i32)))
//! //!
//! (func (export "hello") //! (func (export "hello")
//! i32.const 3 //! i32.const 3
@@ -47,7 +47,7 @@
//! // `Store` has a type parameter to store host-specific data, which in //! // `Store` has a type parameter to store host-specific data, which in
//! // this case we're using `4` for. //! // this case we're using `4` for.
//! let mut store = Store::new(&engine, 4); //! let mut store = Store::new(&engine, 4);
//! let host_hello = Func::wrap(&mut store, |caller: Caller<'_, u32>, param: i32| { //! let host_func = Func::wrap(&mut store, |caller: Caller<'_, u32>, param: i32| {
//! println!("Got {} from WebAssembly", param); //! println!("Got {} from WebAssembly", param);
//! println!("my host state is: {}", caller.data()); //! println!("my host state is: {}", caller.data());
//! }); //! });
@@ -55,7 +55,7 @@
//! // Instantiation of a module requires specifying its imports and then //! // Instantiation of a module requires specifying its imports and then
//! // afterwards we can fetch exports by name, as well as asserting the //! // afterwards we can fetch exports by name, as well as asserting the
//! // type signature of the function with `get_typed_func`. //! // type signature of the function with `get_typed_func`.
//! let instance = Instance::new(&mut store, &module, &[host_hello.into()])?; //! let instance = Instance::new(&mut store, &module, &[host_func.into()])?;
//! let hello = instance.get_typed_func::<(), ()>(&mut store, "hello")?; //! let hello = instance.get_typed_func::<(), ()>(&mut store, "hello")?;
//! //!
//! // And finally we can call the wasm! //! // And finally we can call the wasm!
@@ -146,7 +146,7 @@
//! let engine = Engine::default(); //! let engine = Engine::default();
//! let wat = r#" //! let wat = r#"
//! (module //! (module
//! (import "host" "hello" (func $host_hello (param i32))) //! (import "host" "host_func" (func $host_hello (param i32)))
//! //!
//! (func (export "hello") //! (func (export "hello")
//! i32.const 3 //! i32.const 3
@@ -157,7 +157,7 @@
//! //!
//! // Create a `Linker` and define our host function in it: //! // Create a `Linker` and define our host function in it:
//! let mut linker = Linker::new(&engine); //! let mut linker = Linker::new(&engine);
//! linker.func_wrap("host", "hello", |caller: Caller<'_, u32>, param: i32| { //! linker.func_wrap("host", "host_func", |caller: Caller<'_, u32>, param: i32| {
//! println!("Got {} from WebAssembly", param); //! println!("Got {} from WebAssembly", param);
//! println!("my host state is: {}", caller.data()); //! println!("my host state is: {}", caller.data());
//! })?; //! })?;