Struct ExecutionContext

pub struct ExecutionContext<'e> { /* private fields */ }

An execution context stores an associated Scheme and a set of runtime values to execute Filter against.

It acts as a map in terms of public API, but provides a constant-time index-based access to values for a filter during execution.

Implementations

impl<'e> ExecutionContext<'e>

pub fn new<'s: 'e>(scheme: &'s Scheme) -> Self

Creates an execution context associated with a given scheme.

This scheme will be used for resolving any field names and indices.

pub fn scheme(&self) -> &'e Scheme

Returns an associated scheme.

pub fn set_field_value<'v: 'e, V: Into<LhsValue<'v>>>( &mut self, name: &str, value: V, ) -> Result<(), FieldValueTypeMismatchError>

Sets a runtime value for a given field name.