valadoc: Less string copying

2 files changed, 4 insertions, 4 deletions

diff --git a/libvaladoc/parser/token.vala b/libvaladoc/parser/token.vala
index 97581c28a..da19df60a 100644
--- a/libvaladoc/parser/token.vala
+++ b/libvaladoc/parser/token.vala
@@ -94,11 +94,11 @@ public class Valadoc.Token : Object {
 		}
 	}
 
-	public string to_string () {
+	public unowned string to_string () {
 		return _word == null ? _type.to_string () : _word;
 	}
 
-	public string to_pretty_string () {
+	public unowned string to_pretty_string () {
 		return _word == null ? _type.to_pretty_string () : _word;
 	}
 
diff --git a/libvaladoc/parser/tokentype.vala b/libvaladoc/parser/tokentype.vala
index 4a51d02ad..b5c44375b 100644
--- a/libvaladoc/parser/tokentype.vala
+++ b/libvaladoc/parser/tokentype.vala
@@ -257,11 +257,11 @@ public class Valadoc.TokenType : Object {
 		return false;
 	}
 
-	public string to_string () {
+	public unowned string to_string () {
 		return _string_value;
 	}
 
-	public string to_pretty_string () {
+	public unowned string to_pretty_string () {
 		if (_pretty_string != null) {
 			return _pretty_string;
 		}