From 218a739b33325c5dd6baa5cf6291dad849ad2441 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 14 Dec 2022 08:03:32 +0200
Subject: Handle NULL values in $string() and $concat() functions

This is relied upon by the parser to provide conversion/concatenation
semantics consistent with untyped values. Note that we handle NULL values
only for types that have empty representation.
---
 libbuild2/functions-integer.cxx | 3 +++
 1 file changed, 3 insertions(+)

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

diff --git a/libbuild2/functions-integer.cxx b/libbuild2/functions-integer.cxx
index ddfc250..a634ae9 100644
--- a/libbuild2/functions-integer.cxx
+++ b/libbuild2/functions-integer.cxx
@@ -69,6 +69,9 @@ namespace build2
     // $string(<int64>)
     // $string(<uint64>[, <base>[, <width>]])
     //
+    // Note that we don't handle NULL values for these type since they have no
+    // empty representation.
+    //
     f["string"] += [](int64_t i) {return to_string (i);};
 
     f["string"] += [](uint64_t i, optional<value> base, optional<value> width)
-- 
cgit v1.1