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use crate::conversion::FromGValue;
use crate::{GValue, GremlinResult};

#[derive(Debug, PartialEq, Clone)]
pub struct Traverser {
    bulk: i64,
    value: Box<GValue>,
}

impl Traverser {
    pub fn new(bulk: i64, value: GValue) -> Traverser {
        Traverser {
            bulk,
            value: Box::new(value),
        }
    }

    pub fn take<T>(self) -> GremlinResult<T>
    where
        T: FromGValue,
    {
        T::from_gvalue(*self.value)
    }
}