From 7c45e14f2f682eddcc853c0f6051c7c8c6387289 Mon Sep 17 00:00:00 2001
From: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com>
Date: Fri, 28 Jun 2019 11:49:40 +0300
Subject: Add bilingual message type

---
 src/util/translation.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'src')

diff --git a/src/util/translation.h b/src/util/translation.h
index d709b26890..c70508c01e 100644
--- a/src/util/translation.h
+++ b/src/util/translation.h
@@ -5,6 +5,28 @@
 #ifndef BITCOIN_UTIL_TRANSLATION_H
 #define BITCOIN_UTIL_TRANSLATION_H
 
+#include <tinyformat.h>
+
+#include <utility>
+
+/**
+ * Bilingual messages:
+ *   - in GUI: user's native language + untranslated (i.e. English)
+ *   - in log and stderr: untranslated only
+ */
+struct bilingual_str {
+    std::string original;
+    std::string translated;
+};
+
+namespace tinyformat {
+template <typename... Args>
+bilingual_str format(const bilingual_str& fmt, const Args&... args)
+{
+    return bilingual_str{format(fmt.original, args...), format(fmt.translated, args...)};
+}
+} // namespace tinyformat
+
 /** Translate a message to the native language of the user. */
 const extern std::function<std::string(const char*)> G_TRANSLATION_FUN;
 
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