finish structs1

exercises/structs/structs1.rs

@@ -9,9 +9,12 @@
 
 struct ColorClassicStruct {
     // TODO: Something goes here
+    red:i32,
+    green:i32,
+    blue:i32
 }
 
-struct ColorTupleStruct(/* TODO: Something goes here */);
+struct ColorTupleStruct(i32,i32,i32);
 
 #[derive(Debug)]
 struct UnitLikeStruct;
@@ -24,7 +27,11 @@ mod tests {
     fn classic_c_structs() {
         // TODO: Instantiate a classic c struct!
         // let green =
-
+        let green=ColorClassicStruct{
+            red:0,
+            green:255,
+            blue:0
+        };
         assert_eq!(green.red, 0);
         assert_eq!(green.green, 255);
         assert_eq!(green.blue, 0);
@@ -33,8 +40,7 @@ mod tests {
     #[test]
     fn tuple_structs() {
         // TODO: Instantiate a tuple struct!
-        // let green =
-
+        let green = ColorTupleStruct(0, 255, 0);
         assert_eq!(green.0, 0);
         assert_eq!(green.1, 255);
         assert_eq!(green.2, 0);
@@ -43,7 +49,7 @@ mod tests {
     #[test]
     fn unit_structs() {
         // TODO: Instantiate a unit-like struct!
-        // let unit_like_struct =
+        let unit_like_struct =UnitLikeStruct;
         let message = format!("{:?}s are fun!", unit_like_struct);
 
         assert_eq!(message, "UnitLikeStructs are fun!");