added parsing boolean expressions

1 files changed, 13 insertions, 0 deletions

diff --git a/ast/ast.go b/ast/ast.go
index 1942a68..b2634d4 100644
--- a/ast/ast.go
+++ b/ast/ast.go
@@ -191,3 +191,16 @@ func (il *IntegerLiteral) TokenLiteral() string {
 func (il *IntegerLiteral) String() string {
 	return il.Token.Literal
 }
+
+type Boolean struct {
+	Token tokens.Token
+	Value bool
+}
+
+func (b *Boolean) expressionNode() {}
+func (b *Boolean) TokenLiteral() string {
+	return b.Token.Literal
+}
+func (b *Boolean) String() string {
+	return b.Token.Literal
+}