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wasmtime: Document support for {extern,func}ref in Func::wrap

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This commit is contained in:
Nick Fitzgerald
2020-07-07 13:52:14 -07:00
parent 392bbadac7
commit 62655cdbe7
1 changed files with 11 additions and 10 deletions
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21
crates/wasmtime/src/func.rs
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@@ -341,16 +341,17 @@ impl Func {
/// function being called is known statically so the type signature can /// function being called is known statically so the type signature can
/// be inferred. Rust types will map to WebAssembly types as follows: /// be inferred. Rust types will map to WebAssembly types as follows:
/// ///
/// | Rust Argument Type | WebAssembly Type | /// | Rust Argument Type | WebAssembly Type |
/// |--------------------|------------------| /// |---------------------|------------------|
/// | `i32` | `i32` | /// | `i32` | `i32` |
/// | `u32` | `i32` | /// | `u32` | `i32` |
/// | `i64` | `i64` | /// | `i64` | `i64` |
/// | `u64` | `i64` | /// | `u64` | `i64` |
/// | `f32` | `f32` | /// | `f32` | `f32` |
/// | `f64` | `f64` | /// | `f64` | `f64` |
/// | (not supported) | `v128` | /// | (not supported) | `v128` |
/// | (not supported) | `externref` | /// | `Option<Func>` | `funcref` |
/// | `Option<ExternRef>` | `externref` |
/// ///
/// Any of the Rust types can be returned from the closure as well, in /// Any of the Rust types can be returned from the closure as well, in
/// addition to some extra types /// addition to some extra types