diff --git a/src/value.ts b/src/value.ts
index 273875f..035f036 100644
--- a/src/value.ts
+++ b/src/value.ts
@@ -11,13 +11,13 @@ export type Value =
   | {
     type: 'function',
     params: string[],
-    defaults: Record<string, number>, // indices into constants
+    defaults: Record<string, number>,  // indices into constants
     body: number,
     parentScope: Scope,
     variadic: boolean,
     named: boolean,
     value: '<function>'
-    }
+  }
 
 export type Dict = Map<string, Value>
 
@@ -31,13 +31,17 @@ export type FunctionDef = {
 }
 
 export function toValue(v: any): Value /* throws */ {
-  if (v === null || v === undefined) return { type: 'null', value: null }
+  if (v === null || v === undefined)
+    return { type: 'null', value: null }
 
-  if (v && typeof v === 'object' && 'type' in v && 'value' in v) return v as Value
+  if (v && typeof v === 'object' && 'type' in v && 'value' in v)
+    return v as Value
 
-  if (Array.isArray(v)) return { type: 'array', value: v.map(toValue) }
+  if (Array.isArray(v)) 
+    return { type: 'array', value: v.map(toValue) }
 
-  if (v instanceof RegExp) return { type: 'regex', value: v }
+  if (v instanceof RegExp) 
+    return { type: 'regex', value: v }
 
   switch (typeof v) {
     case 'boolean':