HIgherOrderFunctionBallクラスの実装

h24s_25/src/ts/higherorderfunctionball.ts

@@ -0,0 +1,36 @@
+import{BallTypeEnum} from './balltypes';
+import {BallInterface, HigherOrderFunctionBallInterface, NumberBallInterface, FunctionBallInterface} from './ballInterface';
+
+export class HigherOrderFunctionBall<
+    S1 extends BallInterface|null, 
+    O1 extends BallInterface|null,
+    S2 extends BallInterface|null, 
+    O2 extends BallInterface|null,
+> extends HigherOrderFunctionBallInterface<S1,O1,S2,O2>{
+      symbol: string;
+      applied: number[];
+      private readonly funcVal: (f: FunctionBallInterface<S1, O1>) => {self: S2, other: O2};
+
+      constructor(func: (f: FunctionBallInterface<S1, O1>) => {self: S2, other: O2}, symbol: string, applied: number[]) {
+            super();
+            this.funcVal = func;
+            this.symbol = symbol;
+            this.applied = applied;
+      }
+      override func(f: FunctionBallInterface<S1, O1>): { self: S2, other: O2 } {
+            return this.funcVal(f);
+      }
+      ballType(): BallTypeEnum {
+            return BallTypeEnum.HIGHER_ORDER_FUNCTION;
+      }
+
+      label(): string{
+            let label: string = this.symbol;
+            this.applied.forEach(
+                  function (value) {
+                        label += ` ${value.toString}`
+                  }
+            )
+            return label;
+      }
+}