Trait CustomCallable 

pub trait CustomCallable: Send + Sync {
    // Required methods
    fn arity(&self) -> usize;
    fn invoke<'ctx>(
        &self,
        interp: &Interpreter<'ctx>,
        args: &[LiteralValue],
    ) -> Result<CalcValue<'ctx>, ExcelError>;
}

Required Methods

fn arity(&self) -> usize

fn invoke<'ctx>( &self, interp: &Interpreter<'ctx>, args: &[LiteralValue], ) -> Result<CalcValue<'ctx>, ExcelError>

Dyn Compatibility

This trait is dyn compatible.

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

Implementors