Trait expry::CustomFuncs

source · 
pub trait CustomFuncs<'a> {
    // Required methods
    fn call<'b, 'c>(
        &self,
        name: &[u8],
        args: &[DecodedValue<'b>],
        scope: &mut MemoryScope<'c>
    ) -> Result<DecodedValue<'b>, &'b str>
       where 'c: 'b,
             'a: 'b;
    fn types(&self) -> BTreeMap<Key<'static>, (Vec<ExpryType>, ExpryType)>;
}
Expand description

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

Required Methods§

source

fn call<'b, 'c>( &self, name: &[u8], args: &[DecodedValue<'b>], scope: &mut MemoryScope<'c> ) -> Result<DecodedValue<'b>, &'b str>where 'c: 'b, 'a: 'b,

source

fn types(&self) -> BTreeMap<Key<'static>, (Vec<ExpryType>, ExpryType)>

Implementors§