Struct exprimo::Evaluator

pub struct Evaluator { /* private fields */ }

Implementations

impl Evaluator

pub fn new(context: HashMap<String, Value>) -> Self

Examples found in repository

examples/basic.rs (line 16)

fn main() -> Result<(), Box<dyn Error>>{

  #[cfg(feature = "logging")]
  let logger = scribe_rust::Logger::default();

  let mut ctx = HashMap::new();
  ctx.insert("x".to_string(), serde_json::Value::Number(5.into()));
  let engine = exprimo::Evaluator::new(ctx, #[cfg(feature = "logging")] logger);

  let result = engine.evaluate("x == 0")?;

  println!("x = {}", result);

  Ok(())

}

pub fn evaluate(&self, expression: &str) -> Result<bool, Box<dyn Error>>

Examples found in repository

examples/basic.rs (line 18)

fn main() -> Result<(), Box<dyn Error>>{

  #[cfg(feature = "logging")]
  let logger = scribe_rust::Logger::default();

  let mut ctx = HashMap::new();
  ctx.insert("x".to_string(), serde_json::Value::Number(5.into()));
  let engine = exprimo::Evaluator::new(ctx, #[cfg(feature = "logging")] logger);

  let result = engine.evaluate("x == 0")?;

  println!("x = {}", result);

  Ok(())

}