Trait FunctionData 

pub trait FunctionData {
    // Required methods
    fn name(&self) -> &str;
    fn return_kind(&self) -> ReturnKind;
    fn is_method(&self) -> bool;
}

Metadata about a function declared by an interface.

Provides information needed during linking to wire up cross-plugin dispatch. Each function in an interface needs metadata so wasm_link knows how to handle calls across plugin boundaries.

Required Methods

fn name(&self) -> &str

Returns the function’s name as defined per the WebAssembly component model specifications and WIT standards (e.g. get-value, [constructor]counter, [method]counter.increment).

fn return_kind(&self) -> ReturnKind

Returns the function’s return kind. wasm_link may do some mapping on the returned value. This can be used to tell it to skip certain steps as it is known ahead of the time that they are not needed.

fn is_method(&self) -> bool

Returns true if this is a method (has a self parameter). This changes the behaviour of calling into a non-ExactlyOne cardinality to only call into the plugin that created the resource given to this method

Implementors