change type

Author: FineArchs

etc/aiscript.api.md

@@ -270,7 +270,7 @@ type Fn = NodeBase & {
     type: 'fn';
     args: {
         name: string;
-        optional?: boolean;
+        optional: boolean;
         default?: Expression;
         argType?: TypeSource;
     }[];

src/node.ts

@@ -175,7 +175,7 @@ export type Fn = NodeBase & {
 	type: 'fn'; // 関数
 	args: {
 		name: string; // 引数名
-		optional?: boolean;
+		optional: boolean;
 		default?: Expression; // 引数の初期値
 		argType?: TypeSource; // 引数の型
 	}[];

src/parser/syntaxes/common.ts

@@ -26,7 +26,7 @@ export function parseParams(s: ITokenStream): { name: string, argType?: Ast.Node
 		const name = s.token.value!;
 		s.next();
 
-		let optional;
+		let optional = false;
 		if ((s.kind as TokenKind) === TokenKind.Question) {
 			s.next();
 			optional = true;