Trait IExpressionForeignFunctionInterface 

pub trait IExpressionForeignFunctionInterface {
    // Required method
    fn call(
        &self,
        name: &str,
        arguments: &[ExpressionVariant],
    ) -> Option<ExpressionVariant>;
}

The functions callable from an expression.

Required Methods

fn call( &self, name: &str, arguments: &[ExpressionVariant], ) -> Option<ExpressionVariant>

Calls the function with the given name and arguments. Returns None when there is no function with that name accepting the arguments.

Dyn Compatibility

This trait is dyn compatible.

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

Implementors

impl IExpressionForeignFunctionInterface for BuiltInExpressionFfi

impl IExpressionForeignFunctionInterface for DelegateExpressionFfi