// structs1.rs // // 完成所有的 TODO 項以通過測試! // // 執行 `rustlings hint structs1` 或使用 `hint` watch 子命令來獲取提示。 // I AM NOT DONE struct ColorClassicStruct { // TODO: 在此處添加內容 } struct ColorTupleStruct(/* TODO: 在此處添加內容 */); #[derive(Debug)] struct UnitLikeStruct; #[cfg(test)] mod tests { use super::*; #[test] fn classic_c_structs() { // TODO: 實例化一個經典 C 結構體! // let green = assert_eq!(green.red, 0); assert_eq!(green.green, 255); assert_eq!(green.blue, 0); } #[test] fn tuple_structs() { // TODO: 實例化一個元組結構體! // let green = assert_eq!(green.0, 0); assert_eq!(green.1, 255); assert_eq!(green.2, 0); } #[test] fn unit_structs() { // TODO: 實例化一個單元結構體! // let unit_like_struct = let message = format!("{:?}s are fun!", unit_like_struct); assert_eq!(message, "UnitLikeStructs are fun!"); } }