Struct FilterExprEvaler 

pub struct FilterExprEvaler { /* private fields */ }

Implementations

impl FilterExprEvaler

pub fn new() -> Self

Create a new filter expression evaluator.

pub async fn eval( &self, filter_expr: &FilterExpr, ctx: &dyn Context, ) -> Result<bool, Error>

Evaluate the filter expression using the default runner.

pub async fn eval_by_ast_runner( &self, filter_expr: &FilterExpr, ctx: &dyn Context, ) -> Result<bool, Error>

Evaluate the filter expression using AST runner.

pub async fn eval_by_bytecode_runner( &self, filter_expr: &FilterExpr, ctx: &dyn Context, ) -> Result<bool, Error>

Evaluate the filter expression using bytecode execution.

pub fn add_function( &self, name: String, function: ArcFunction, ) -> Result<(), Error>

pub fn add_method( &self, name: String, obj_type: ValueType, method: ArcMethod, ) -> Result<(), Error>

Trait Implementations

impl Default for FilterExprEvaler

fn default() -> Self

Returns the “default value” for a type.