- struct
- PartialEq
Compare structs for partial equality - PartialEq
- PartialEq
- the trait Eq is not implemented for f32
examples/struct/compare-structs-for-partial-equality/src/main.rs
#[derive(PartialEq)] struct Thing { name: String, number: i32, float: f32, } fn main() { let a = Thing { name: String::from("Foo"), number: 42, float: 1.0, }; let b = Thing { name: String::from("Foo"), number: 42, float: 1.0, }; let c = Thing { name: String::from("Foo1"), number: 42, float: 1.0, }; println!("{}", a == b); println!("{}", a == c); // must implement `PartialOrd` // println!("{}", a < c); }
true false