Improved performance

Tree.go

@@ -92,11 +92,10 @@ func (tree *Tree[T]) Lookup(path string) (T, []Parameter) {
 // LookupNoAlloc finds the data for the given path without using any memory allocations.
 func (tree *Tree[T]) LookupNoAlloc(path string, addParameter func(key string, value string)) T {
 	var (
-		i              uint
-		offset         uint
-		wildcardOffset uint
-		wildcard       *treeNode[T]
-		node           = &tree.root
+		i            uint
+		wildcardPath string
+		wildcard     *treeNode[T]
+		node         = &tree.root
 	)
 
 	// Skip the first loop iteration if the starting characters are equal
@@ -110,10 +109,10 @@ begin:
 		// The node we just checked is entirely included in our path.
 		// node: /|
 		// path: /|blog
-		if i-offset == uint(len(node.prefix)) {
+		if i == uint(len(node.prefix)) {
 			if node.wildcard != nil {
 				wildcard = node.wildcard
-				wildcardOffset = i
+				wildcardPath = path[i:]
 			}
 
 			char := path[i]
@@ -123,8 +122,8 @@ begin:
 
 				if index != 0 {
 					node = node.children[index]
-					offset = i
-					i++
+					path = path[i:]
+					i = 1
 					continue
 				}
 			}
@@ -133,25 +132,25 @@ begin:
 			// path: /|blog
 			if node.parameter != nil {
 				node = node.parameter
-				offset = i
-				i++
+				path = path[i:]
+				i = 1
 
 				for i < uint(len(path)) {
 					// node: /:id|/posts
 					// path: /123|/posts
 					if path[i] == separator {
-						addParameter(node.prefix, path[offset:i])
+						addParameter(node.prefix, path[:i])
 						index := node.indices[separator-node.startIndex]
 						node = node.children[index]
-						offset = i
-						i++
+						path = path[i:]
+						i = 1
 						goto begin
 					}
 
 					i++
 				}
 
-				addParameter(node.prefix, path[offset:i])
+				addParameter(node.prefix, path[:i])
 				return node.data
 			}
 
@@ -163,7 +162,7 @@ begin:
 		// We got a conflict.
 		// node: /b|ag
 		// path: /b|riefcase
-		if path[i] != node.prefix[i-offset] {
+		if path[i] != node.prefix[i] {
 			goto notFound
 		}
 
@@ -172,7 +171,7 @@ begin:
 
 	// node: /blog|
 	// path: /blog|
-	if i-offset == uint(len(node.prefix)) {
+	if i == uint(len(node.prefix)) {
 		return node.data
 	}
 
@@ -180,7 +179,7 @@ begin:
 	// path: /|image.png
 notFound:
 	if wildcard != nil {
-		addParameter(wildcard.prefix, path[wildcardOffset:])
+		addParameter(wildcard.prefix, wildcardPath)
 		return wildcard.data
 	}