Make MarkdownParser instantiatable

src/main/kotlin/dev/proxyfox/markt/Parser.kt

@@ -1,8 +1,6 @@
 package dev.proxyfox.markt
 
-public object MarkdownParser {
-    private const val ESCAPE = '\\'
-
+public class MarkdownParser {
     public val rules: ArrayList<MarkdownRule> = arrayListOf()
 
     public fun parse(content: String): RootNode {
@@ -75,4 +73,13 @@ public object MarkdownParser {
     public inline operator fun <reified T : MarkdownRule> plusAssign(rule: T): Unit = +rule
 
     public operator fun invoke(init: MarkdownParser.() -> Unit): Unit = init()
+
+    public companion object {
+        private const val ESCAPE = '\\'
+        public val globalInstance: MarkdownParser = MarkdownParser()
+
+        init {
+            globalInstance.addDefaultRules()
+        }
+    }
 }

src/test/kotlin/dev/proxyfox/markt/test/MarKtTests.kt

@@ -24,11 +24,10 @@ val stringsToTest = arrayListOf(
 class MarKtTests {
     @Test
     fun testMarkdown() {
-        MarkdownParser.addDefaultRules()
         for (test in stringsToTest) {
             println("Input: ${test.first}\n")
             println("Expected\n${test.second.toTreeString()}")
-            val parsed = MarkdownParser.parse(test.first)
+            val parsed = MarkdownParser.globalInstance.parse(test.first)
             println("Parsed:\n${parsed.toTreeString()}")
             assert(parsed == test.second)
         }