From 6d6c291769375c938d95f6dc064864e054057a8d Mon Sep 17 00:00:00 2001
From: BigRedEye <mail@bigredeye.me>
Date: Sat, 8 Jan 2022 04:12:16 +0300
Subject: [PATCH] fix: Mark operator bool explicit

---
 src/rose/rose_graph.h | 4 ++--
 src/util/ue2_graph.h  | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/rose/rose_graph.h b/src/rose/rose_graph.h
index 499d796a..b5bf1985 100644
--- a/src/rose/rose_graph.h
+++ b/src/rose/rose_graph.h
@@ -112,7 +112,7 @@ struct LeftEngInfo {
     }
     size_t hash() const;
     void reset(void);
-    operator bool() const;
+    explicit operator bool() const;
     bool tracksSom() const { return !!haig; }
 };
 
@@ -133,7 +133,7 @@ struct RoseSuffixInfo {
     bool operator<(const RoseSuffixInfo &b) const;
     size_t hash() const;
     void reset(void);
-    operator bool() const { return graph || castle || haig || rdfa || tamarama; }
+    explicit operator bool() const { return graph || castle || haig || rdfa || tamarama; }
 };
 
 /** \brief Properties attached to each Rose graph vertex. */
diff --git a/src/util/ue2_graph.h b/src/util/ue2_graph.h
index b8e2e935..aa9718d7 100644
--- a/src/util/ue2_graph.h
+++ b/src/util/ue2_graph.h
@@ -176,7 +176,7 @@ public:
     vertex_descriptor() : p(nullptr), serial(0) {}
     explicit vertex_descriptor(vertex_node *pp) : p(pp), serial(pp->serial) {}
 
-    operator bool() const { return p; }
+    explicit operator bool() const { return p; }
     bool operator<(const vertex_descriptor b) const {
         if (p && b.p) {
             /* no vertices in the same graph can have the same serial */