Categories
Tags
algorithms APIT arm assembly asynchronous base64 Blogging box c clang-format cmake compiler concurrency const_fn contravariant cos covariant cpp Customization cybersecurity DataStructure db Demo deserialization discrete doc DP Dynamic Example FFI flat_map FP Functional functions futures Fuwari GATs gccrs generics gitignore GUI hacking hashmap haskell heap interop invariant iterator justfile kernel LaTeX LFU linux MachineLearning Markdown math ML OnceLock optimization OS parallels perf physics pin postgresql release RPIT rust science Science serialization shift sin SmallProjects std String surrealdb swisstable synchronous tan traits triangulation utf16 utf8 Video x86_64 xilem zig
109 words
1 minutes
260107_traits03_debug_display
Debug 구현하기
- derive macro를 써서 손 쉽게 구현
#[derive(Debug)]
struct Young {
data: String,
}
fn main() {
let my_str = Young {
data: "test".to_string(),
};
println!("Debug {:?}", my_str);
} - 복잡한 타입일수록 내가 구현해줘야한다.
use std::fmt;
struct Young {
data: String,
}
impl fmt::Debug for Young {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", self.data)
}
}
fn main() {
let my_str = Young {
data: "test".to_string(),
};
println!("Debug {:?}", my_str);
}Debug과 Display 구현은 똑같다.
{:?}Debug{}Display
260107_traits03_debug_display
https://younghakim7.github.io/blog/posts/260107_traits03_debug_display/