Remove unnecessary Preload function (#4)

Signed-off-by: James Hillyerd <[email protected]>

Author: jhillyerd

doc.go

@@ -27,9 +27,9 @@
 // Below is an example usage of the library:
 //
 //	import (
-//	    luajson "layeh.com/gopher-json"
+//	    luajson "github.com/inbucket/gopher-json"
 //	)
 //
 //	L := lua.NewState()
-//	luajson.Preload(L)
+//	L.PreloadModule("json", luajson.Loader)
 package json

json.go

@@ -7,14 +7,6 @@ import (
 	"github.com/yuin/gopher-lua"
 )
 
-// Preload adds json to the given Lua state's package.preload table. After it
-// has been preloaded, it can be loaded using require:
-//
-//	local json = require("json")
-func Preload(L *lua.LState) {
-	L.PreloadModule("json", Loader)
-}
-
 // Loader is the module loader function.
 func Loader(L *lua.LState) int {
 	t := L.NewTable()

json_test.go

@@ -75,7 +75,7 @@ func TestSimple(t *testing.T) {
 	s := lua.NewState()
 	defer s.Close()
 
-	Preload(s)
+	s.PreloadModule("json", Loader)
 	if err := s.DoString(str); err != nil {
 		t.Error(err)
 	}