Utility functions for Display/Debug trait comparison in no_std environment.
This crate provides functions to compare output of Display and Debug traits against &str
in no_std env. No alloc
nor std
is used.
Broader description of the issue that this crate solves: StackOverflow
#![no_std]
use fmt_compare_nostd::eq_display;
use core::fmt::{Display, Formatter, Result};
struct D {}
impl Display for D {
fn fmt(&self, f: &mut Formatter<'_>) -> Result {
write!(f, "Display D")
}
}
fn main() {
assert!(eq_display(&D {}, "Display D"));
}