testing performance for string commands parsing (is decent)

api/src/main/kotlin/com/mattmx/ktgui/commands/stringbuilder/syntax/Parser.kt

@@ -1,5 +1,8 @@
 package com.mattmx.ktgui.commands.stringbuilder.syntax
 
+import com.google.common.base.Stopwatch
+import com.mattmx.ktgui.utils.StopWatch
+
 class Parser(
     val source: String
 ) {

api/src/main/kotlin/com/mattmx/ktgui/commands/stringbuilder/t.kt

@@ -1,6 +1,7 @@
 package com.mattmx.ktgui.commands.stringbuilder
 
 import com.mattmx.ktgui.commands.usage.CommandUsageOptions
+import com.mattmx.ktgui.utils.StopWatch
 import org.bukkit.command.CommandSender
 
 fun main() {

api/src/main/kotlin/com/mattmx/ktgui/utils/StopWatch.kt

@@ -0,0 +1,20 @@
+package com.mattmx.ktgui.utils
+
+import java.time.Duration
+
+class StopWatch(
+    private val name: String = "sw"
+) {
+    private var timeStart = 0L
+
+    fun start() = apply {
+        timeStart = System.nanoTime()
+    }
+
+    fun elapsed() = System.nanoTime() - timeStart
+
+    fun debug() {
+        val nanos = elapsed()
+        println("  [$name] took ${nanos}ns (${nanos / 1_000_000}ms${if (nanos > 100_000_000) ", " + Duration.ofNanos(nanos).pretty() else ""})")
+    }
+}