Hide module implementation details

1 files changed, 6 insertions, 2 deletions

diff --git a/source/primitives/core.d b/source/primitives/core.d
index f2766d2..cae577b 100644
--- a/source/primitives/core.d
+++ b/source/primitives/core.d
@@ -4,8 +4,6 @@ import std.stdio;
 
 import base.stack;
 
-Token[string] variables;
-
 bool handle(string word) {
 	switch ( word ) {
 		case     "$"     : binary_op_variable_bind;      break;
@@ -28,6 +26,10 @@ bool handle(string word) {
 	return true;
 }
 
+private {
+
+Token[string] variables;
+
 void binary_op_variable_bind() {
 	string name     = stack.pop.get!string;
 	Token  value    = stack.pop;
@@ -116,3 +118,5 @@ void binary_cond_eq() {
 void nullary_op_value_bool(bool value) {
 	stack.push(Token(value));
 }
+
+}