Trait FunctionCallback 

pub trait FunctionCallback {
    // Required methods
    fn call_function(
        &mut self,
        func: JsonnetValue,
        args: Vec<JsonnetValue>,
    ) -> Result<JsonnetValue>;
    fn call_external_function(
        &mut self,
        func: &str,
        args: Vec<JsonnetValue>,
    ) -> Result<JsonnetValue>;
}

Callback trait for function calling from stdlib

Required Methods

fn call_function( &mut self, func: JsonnetValue, args: Vec<JsonnetValue>, ) -> Result<JsonnetValue>

fn call_external_function( &mut self, func: &str, args: Vec<JsonnetValue>, ) -> Result<JsonnetValue>

Dyn Compatibility

This trait is dyn compatible.

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

Implementors