Method define

crates/wasmtime/src/runtime/linker.rs:362–376

Defines a new item in this [`Linker`]. This method will add a new definition, by name, to this instance of [`Linker`]. The `module` and `name` provided are what to name the `item`. # Errors Returns an error if the `module` and `name` already identify an item of the same type as the `item` provided and if shadowing is disallowed. For more information see the documentation on [`Linker`]. # Examp

(
        &mut self,
        store: impl AsContext<Data = T>,
        module: &str,
        name: &str,
        item: impl Into<Extern>,
    )

    /// memory allocation fails. See the `OutOfMemory` type's documentation for
    /// details on Wasmtime's out-of-memory handling.
    pub fn define(
        &mut self,
        store: impl AsContext<Data = T>,
        module: &str,
        name: &str,
        item: impl Into<Extern>,
    ) -> Result<&mut Self>
    where
        T: 'static,
    {
        let store = store.as_context();
        let key = self.import_key(module, Some(name))?;
        self.insert(key, Definition::new(store.0, item.into()))?;
        Ok(self)
    }

    /// Same as [`Linker::define`], except only the name of the import is
    /// provided, not a module name as well.