Add some explicits.

4 files changed, 4 insertions, 4 deletions

diff --git a/src/lib/hints.h b/src/lib/hints.h
index 6ee398c88..dd1dd3ff2 100644
--- a/src/lib/hints.h
+++ b/src/lib/hints.h
@@ -32,7 +32,7 @@ class Film;
 class Hints : public Signaller
 {
 public:
-	Hints (boost::weak_ptr<const Film> film);
+	Hints (explicit boost::weak_ptr<const Film> film);
 	~Hints ();
 
 	void start ();
diff --git a/src/lib/send_notification_email_job.h b/src/lib/send_notification_email_job.h
index f6ca3fbd6..3817f9018 100644
--- a/src/lib/send_notification_email_job.h
+++ b/src/lib/send_notification_email_job.h
@@ -23,7 +23,7 @@
 class SendNotificationEmailJob : public Job
 {
 public:
-	SendNotificationEmailJob (std::string body);
+	SendNotificationEmailJob (explicit std::string body);
 
 	std::string name () const;
 	std::string json_name () const;
diff --git a/src/lib/verify_dcp_job.h b/src/lib/verify_dcp_job.h
index 0ed9669cc..22129aee2 100644
--- a/src/lib/verify_dcp_job.h
+++ b/src/lib/verify_dcp_job.h
@@ -27,7 +27,7 @@ class Content;
 class VerifyDCPJob : public Job
 {
 public:
-	VerifyDCPJob (std::vector<boost::filesystem::path> directories);
+	VerifyDCPJob (explicit std::vector<boost::filesystem::path> directories);
 
 	std::string name () const;
 	std::string json_name () const;
diff --git a/src/wx/closed_captions_dialog.h b/src/wx/closed_captions_dialog.h
index be5b3664d..4b47d593f 100644
--- a/src/wx/closed_captions_dialog.h
+++ b/src/wx/closed_captions_dialog.h
@@ -27,7 +27,7 @@ class Player;
 class ClosedCaptionsDialog : public wxDialog
 {
 public:
-	ClosedCaptionsDialog (wxWindow* parent);
+	ClosedCaptionsDialog (explicit wxWindow* parent);
 
 	void update (DCPTime);
 	void clear ();