remove func.go and standardize main file name

internal/config/config.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"strings"
 
 	"git.xdrm.io/go/aicra/datatype"
 )
@@ -163,3 +164,15 @@ func (server *Server) collide() error {
 
 	return nil
 }
+
+// SplitURL without empty sets
+func SplitURL(url string) []string {
+	trimmed := strings.Trim(url, " /\t\r\n")
+	split := strings.Split(trimmed, "/")
+
+	// remove empty set when empty url
+	if len(split) == 1 && len(split[0]) == 0 {
+		return []string{}
+	}
+	return split
+}

internal/config/errors.go

@@ -3,7 +3,6 @@ package config
 // cerr allows you to create constant "const" error with type boxing.
 type cerr string
 
-// Error implements the error builtin interface.
 func (err cerr) Error() string {
 	return string(err)
 }

internal/config/func.go

@@ -1,15 +0,0 @@
-package config
-
-import "strings"
-
-// SplitURL without empty sets
-func SplitURL(url string) []string {
-	trimmed := strings.Trim(url, " /\t\r\n")
-	split := strings.Split(trimmed, "/")
-
-	// remove empty set when empty url
-	if len(split) == 1 && len(split[0]) == 0 {
-		return []string{}
-	}
-	return split
-}