Trait expry::CustomFuncs

pub trait CustomFuncs {
    fn call<'b, 'c>(
        &mut self, 
        name: &str, 
        args: &[DecodedValue<'b>], 
        scope: &mut MemoryScope<'c>
    ) -> Result<DecodedValue<'b>, &'b str>
    where
        'c: 'b;
}

Trait that can be used to pass a custom user-provided function handler to expry eval functions.

Required Methods

fn call<'b, 'c>(
    &mut self,
    name: &str,
    args: &[DecodedValue<'b>],
    scope: &mut MemoryScope<'c>
) -> Result<DecodedValue<'b>, &'b str> where
    'c: 'b, 

Implementors

impl CustomFuncs for NoCustomFuncs