lang: funcs: core: Make module names public

This is needed for when we have nested modules.

lang/funcs/core/strings/split_func.go

@@ -25,7 +25,7 @@ import (
 )
 
 func init() {
-	simple.ModuleRegister(moduleName, "split", &types.FuncValue{
+	simple.ModuleRegister(ModuleName, "split", &types.FuncValue{
 		T: types.NewType("func(a str, b str) []str"),
 		V: Split,
 	})

lang/funcs/core/strings/strings.go

@@ -18,6 +18,6 @@
 package corestrings
 
 const (
-	// moduleName is the prefix given to all the functions in this module.
-	moduleName = "strings"
+	// ModuleName is the prefix given to all the functions in this module.
+	ModuleName = "strings"
 )

lang/funcs/core/strings/to_lower_func.go

@@ -25,7 +25,7 @@ import (
 )
 
 func init() {
-	simple.ModuleRegister(moduleName, "to_lower", &types.FuncValue{
+	simple.ModuleRegister(ModuleName, "to_lower", &types.FuncValue{
 		T: types.NewType("func(a str) str"),
 		V: ToLower,
 	})