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-rw-r--r--build2/test/script/lexer4
1 files changed, 3 insertions, 1 deletions
diff --git a/build2/test/script/lexer b/build2/test/script/lexer
index b812f84..a6a96ca 100644
--- a/build2/test/script/lexer
+++ b/build2/test/script/lexer
@@ -55,7 +55,9 @@ namespace build2
}
virtual void
- mode (base_mode, char = '\0', const char* = nullptr) override;
+ mode (base_mode,
+ char = '\0',
+ optional<const char*> = nullopt) override;
// Number of quoted (double or single) tokens since last reset.
//