Method length_hint

crates/vm/src/builtins/iter.rs:132–141

(&self, f: F)

    }

    pub fn length_hint<F>(&self, f: F) -> usize
    where
        F: FnOnce(&T) -> usize,
    {
        if let IterStatus::Active(obj) = &self.status {
            f(obj).saturating_sub(self.position)
        } else {
            0
        }
    }

    pub fn rev_length_hint<F>(&self, f: F) -> usize
    where