Struct Function 

pub struct Function<T: VariantValue> { /* private fields */ }

Implementations

impl<T: VariantValue> Function<T>

pub fn new( name: &'static str, argument_types: Vec<SPathType>, result_type: SPathType, evaluator: Evaluator<T>, ) -> Self

Create a new function instance.

pub fn name(&self) -> &str

The name of the function.

pub fn argument_types(&self) -> &[SPathType]

The declared types of function’s arguments.

pub fn result_type(&self) -> SPathType

The return type of the function.

pub fn evaluate<'a>(&self, args: Vec<SPathValue<'a, T>>) -> SPathValue<'a, T>

Evaluate the function with args.

pub fn validate<Registry: FunctionRegistry<Value = T>>( &self, args: &[FunctionExprArg], registry: &Registry, ) -> Result<(), FunctionValidationError>

Validate the type of function arguments.

Trait Implementations

impl<T: VariantValue> Debug for Function<T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.