transaction_processor/
utils.rs

1use types::*;
2
3pub trait IfNotFound {
4    type Target;
5    fn if_not_found<F: FnOnce() -> Self::Target>(self, f: F) -> ProcessResult<Self::Target>;
6}
7
8impl<T> IfNotFound for ProcessResult<T> {
9    type Target = T;
10    fn if_not_found<F: FnOnce() -> T>(self, f: F) -> ProcessResult<T> {
11        match self {
12            Ok(v) => Ok(v),
13            Err(e) => match e {
14                ProcessError::NotFound => Ok(f()),
15                _ => Err(e),
16            },
17        }
18    }
19}
20
21pub fn log(msg: &str) {
22    let msg = msg.as_bytes();
23    unsafe {
24        ::sys::_log(msg.as_ptr(), msg.len());
25    }
26}