Function debug2::pprint_checked
source · [−]Expand description
Pretty Print an item to a string, or return an error
use debug2::{pprint_checked, Debug, Formatter};
use std::fmt;
struct Good;
struct Bad;
impl Debug for Good {
fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
f.debug_struct("Good").finish()
}
}
impl Debug for Bad {
fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
Err(fmt::Error)
}
}
assert!(pprint_checked(Good).is_ok());
assert!(pprint_checked(Bad).is_err());