use substruct::substruct; #[test] fn test_convert_tuple() { #[substruct(B)] struct A(pub i32, #[substruct(B)] pub i64); let b = B(32); let a = b.into_a(5); assert!(matches!(a, A(5, 32))) } #[test] fn test_convert_normal() { #[substruct(B)] struct A { #[substruct(B)] pub field1: i32, pub field2: u32, } let b = B { field1: 1 }; let a = b.into_a(7); assert!(matches!( a, A { field1: 1, field2: 7 } )); }