Update index.ts

masx200 · masx200 · commit a4ddf63078fb · 2022-08-21T21:20:38.000+08:00
diff --git a/parse-lisp-expression/index.ts b/parse-lisp-expression/index.ts
@@ -11,7 +11,7 @@ function parseLet(expression: string): Expression {
     const content = expression.slice("(let ".length, -1);
     const list = parseList("(" + content + ")");
     // console.log(list);
-    if (Array.isArray(list) && list.length == 0) {
+    if (Array.isArray(list) && list.length <3) {
         throw Error("Invalid expression");
     }
     return buildExpression(["let", ...list]);

Original file line number	Diff line number	Diff line change
`@@ -11,7 +11,7 @@ function parseLet(expression: string): Expression {`
`11`	`11`	`const content = expression.slice("(let ".length, -1);`
`12`	`12`	`const list = parseList("(" + content + ")");`
`13`	`13`	`// console.log(list);`
`14`		`- if (Array.isArray(list) && list.length == 0) {`
	`14`	`+ if (Array.isArray(list) && list.length <3) {`
`15`	`15`	`throw Error("Invalid expression");`
`16`	`16`	`}`
`17`	`17`	`return buildExpression(["let", ...list]);`