jupyter_serde/
lib.rs

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
use serde::{Deserialize, Serialize};
use serde_json::Value;

pub mod media;

#[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Default)]
pub struct ExecutionCount(pub usize);

/// A monotonically increasing counter for tracking the number of times a cell
/// has been executed.
impl ExecutionCount {
    pub fn new(count: usize) -> Self {
        Self(count)
    }
}

impl From<usize> for ExecutionCount {
    fn from(count: usize) -> Self {
        Self(count)
    }
}

impl From<ExecutionCount> for usize {
    fn from(count: ExecutionCount) -> Self {
        count.0
    }
}

impl From<ExecutionCount> for Value {
    fn from(count: ExecutionCount) -> Self {
        Value::Number(count.0.into())
    }
}

impl ExecutionCount {
    pub fn increment(&mut self) {
        self.0 += 1;
    }

    pub fn value(&self) -> usize {
        self.0
    }
}

impl std::fmt::Display for ExecutionCount {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        write!(f, "{}", self.0)
    }
}