From 10e634e64b5fffaf19778d8fd3aa854118aa0d53 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 3 Nov 2021 13:08:48 +0200
Subject: Add $size() function to get size of sequence (names, strings, etc)

---
 libbuild2/functions-string.cxx | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'libbuild2/functions-string.cxx')

diff --git a/libbuild2/functions-string.cxx b/libbuild2/functions-string.cxx
index 6e39c44..18a4ed6 100644
--- a/libbuild2/functions-string.cxx
+++ b/libbuild2/functions-string.cxx
@@ -77,6 +77,12 @@ namespace build2
       return names {name (ucase (convert<string> (move (s))))};
     };
 
+    // $size(<strings>)
+    //
+    // Return the number of elements in the sequence.
+    //
+    f["size"] += [] (strings v) {return v.size ();};
+
     // $sort(<strings> [, <flags>])
     //
     // Sort strings in ascending order.
-- 
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