Move `escapeString` to its own file

Change-Id: Ie5c954ec73c46c9d3c679ef99a83a29cc7a08352

1 files changed, 23 insertions, 0 deletions

diff --git a/src/libutil/print-elided.hh b/src/libutil/print-elided.hh
new file mode 100644
index 000000000..a99b15ca1
--- /dev/null
+++ b/src/libutil/print-elided.hh
@@ -0,0 +1,23 @@
+#pragma once
+
+#include <ostream>
+
+
+namespace nix {
+
+/**
+ * Print an `«... elided»` placeholder.
+ *
+ * Arguments are forwarded to `pluralize`.
+ *
+ * If `ansiColors` is set, the output will be wrapped in `ANSI_FAINT`.
+ */
+void printElided(
+    std::ostream & output,
+    unsigned int value,
+    const std::string_view single,
+    const std::string_view plural,
+    bool ansiColors
+);
+
+}