Improved performance

Context.go

@@ -7,9 +7,6 @@ import (
 	"unsafe"
 )
 
-// maxParams defines the maximum number of parameters per route.
-const maxParams = 16
-
 // Context represents the interface for a request & response context.
 type Context interface {
 	Bytes([]byte) error
@@ -36,15 +33,13 @@ type ctx struct {
 	request      *http.Request
 	response     http.ResponseWriter
 	server       *server
-	paramNames   [maxParams]string
-	paramValues  [maxParams]string
-	paramCount   int
-	handlerCount int
+	params       []param
+	handlerCount uint8
 }
 
 // Bytes responds with a raw byte slice.
-func (ctx *ctx) Bytes(body []byte) error {
-	_, err := ctx.response.Write(body)
+func (c *ctx) Bytes(body []byte) error {
+	_, err := c.response.Write(body)
 	return err
 }
 
@@ -66,9 +61,11 @@ func (ctx *ctx) Error(messages ...any) error {
 
 // Get retrieves a parameter.
 func (ctx *ctx) Get(param string) string {
-	for i := range ctx.paramCount {
-		if ctx.paramNames[i] == param {
-			return ctx.paramValues[i]
+	for i := range len(ctx.params) {
+		p := ctx.params[i]
+
+		if p.Name == param {
+			return p.Value
 		}
 	}
 
@@ -151,7 +148,5 @@ func (ctx *ctx) WriteString(body string) (int, error) {
 
 // addParameter adds a new parameter to the context.
 func (ctx *ctx) addParameter(name string, value string) {
-	ctx.paramNames[ctx.paramCount] = name
-	ctx.paramValues[ctx.paramCount] = value
-	ctx.paramCount++
+	ctx.params = append(ctx.params, param{name, value})
 }

README.md

@@ -50,11 +50,11 @@ coverage: 100.0% of statements
 ## Benchmarks
 
 ```
-BenchmarkStatic/#00-12          33616044                33.82 ns/op            0 B/op          0 allocs/op
-BenchmarkStatic/hello-12        26220148                43.75 ns/op            0 B/op          0 allocs/op
-BenchmarkStatic/hello/world-12  19777713                58.89 ns/op            0 B/op          0 allocs/op
-BenchmarkGitHub/gists/:id-12    20842587                56.36 ns/op            0 B/op          0 allocs/op
-BenchmarkGitHub/repos/:a/:b-12  17875575                65.04 ns/op            0 B/op          0 allocs/op
+BenchmarkStatic/#00-12          34975490                33.63 ns/op            0 B/op          0 allocs/op
+BenchmarkStatic/hello-12        26550235                44.20 ns/op            0 B/op          0 allocs/op
+BenchmarkStatic/hello/world-12  20356144                59.08 ns/op            0 B/op          0 allocs/op
+BenchmarkGitHub/gists/:id-12    21693214                54.80 ns/op            0 B/op          0 allocs/op
+BenchmarkGitHub/repos/:a/:b-12  18118347                65.33 ns/op            0 B/op          0 allocs/op
 ```
 
 ## License

Server.go

@@ -57,7 +57,10 @@ func New() Server {
 	}
 
 	s.pool.New = func() any {
-		return &ctx{server: s}
+		return &ctx{
+			server: s,
+			params: make([]param, 0, 8),
+		}
 	}
 
 	return s
@@ -94,7 +97,7 @@ func (s *server) ServeHTTP(response http.ResponseWriter, request *http.Request)
 		s.errorHandler(ctx, err)
 	}
 
-	ctx.paramCount = 0
+	ctx.params = ctx.params[:0]
 	ctx.handlerCount = 0
 	s.pool.Put(ctx)
 }

param.go

@@ -0,0 +1,7 @@
+package server
+
+// param represents a URL parameter in a route like `/user/:id`.
+type param struct {
+	Name  string
+	Value string
+}