Method get

crates/wasmtime/src/runtime/linker.rs:1288–1303

Looks up a previously defined value in this [`Linker`], identified by the names provided. Returns an error if this name was not previously defined in this [`Linker`]. # Panics This function will panic if the `store` provided does not come from the same [`Engine`] that this linker was created with. # Errors This function will return an [`OutOfMemory`][crate::OutOfMemory] error when memory allo

(
        &self,
        mut store: impl AsContextMut<Data = T>,
        module: &str,
        name: &str,
    )

    /// memory allocation fails. See the `OutOfMemory` type's documentation for
    /// details on Wasmtime's out-of-memory handling.
    pub fn get(
        &self,
        mut store: impl AsContextMut<Data = T>,
        module: &str,
        name: &str,
    ) -> Result<Extern>
    where
        T: 'static,
    {
        let store = store.as_context_mut().0;
        match self._get(module, name) {
            // Safety: `T` is connecting the linker and store.
            Some(def) => Ok(unsafe { def.to_extern(store)? }),
            None => bail!("missing definition for `{module}::{name}`"),
        }
    }

    fn _get(&self, module: &str, name: &str) -> Option<&Definition> {
        let key = ImportKey {