Trait Middleware 

pub trait Middleware {
    // Required method
    fn name(&self) -> &str;

    // Provided methods
    fn pre(&self, tool: &str, args: Value) -> Value { ... }
    fn post(&self, tool: &str, result: Value) -> Value { ... }
}

A middleware that can modify args before a call and result after.

Required Methods

fn name(&self) -> &str

Provided Methods

fn pre(&self, tool: &str, args: Value) -> Value

fn post(&self, tool: &str, result: Value) -> Value

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl Middleware for InjectFieldMiddleware

impl Middleware for LogMiddleware