falco_event/types/
format.rs

1use std::fmt::{Debug, Display, Formatter, LowerHex, Octal};
2
3// This is only used by the derive macro
4#[doc(hidden)]
5pub struct OptionFormatter<T>(pub Option<T>);
6
7impl<T: Display> Display for OptionFormatter<T> {
8    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
9        match &self.0 {
10            Some(val) => Display::fmt(val, f),
11            None => write!(f, "NULL"),
12        }
13    }
14}
15
16impl<T: Debug> Debug for OptionFormatter<T> {
17    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
18        match &self.0 {
19            Some(val) => Debug::fmt(val, f),
20            None => write!(f, "NULL"),
21        }
22    }
23}
24
25impl<T: LowerHex> LowerHex for OptionFormatter<T> {
26    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
27        match &self.0 {
28            Some(val) => LowerHex::fmt(val, f),
29            None => write!(f, "NULL"),
30        }
31    }
32}
33
34impl<T: Octal> Octal for OptionFormatter<T> {
35    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
36        match &self.0 {
37            Some(val) => Octal::fmt(val, f),
38            None => write!(f, "NULL"),
39        }
40    }
41}
falco_event/types/format.rs

falco_event/types/
format.rs
