From 55e858010b9ba53c27475d9ce6f864a84d28fa81 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sat, 14 Jul 2018 18:30:28 +0200
Subject: Resolve function overload via the argument reversal to untyped

---
 unit-tests/function/call.test  | 19 ++++++++++++++++++-
 unit-tests/function/driver.cxx |  2 ++
 2 files changed, 20 insertions(+), 1 deletion(-)

(limited to 'unit-tests')

diff --git a/unit-tests/function/call.test b/unit-tests/function/call.test
index 127af24..3dd9a85 100644
--- a/unit-tests/function/call.test
+++ b/unit-tests/function/call.test
@@ -74,6 +74,23 @@ buildfile:1:2: error: ambiguous call to ambig(<untyped>)
 /))
 EOE
 
+: unmatched
+:
+$* <'$ambig(abc, def)' 2>>~/EOE/ != 0
+buildfile:1:2: error: unmatched call to ambig(<untyped>, <untyped>)
+/((
+  info: candidate: ambig(<untyped> [, uint64]), qualified name dummy.ambig
+  info: candidate: ambig(<untyped> [, string]), qualified name dummy.ambig
+/)|(
+  info: candidate: ambig(<untyped> [, string]), qualified name dummy.ambig
+  info: candidate: ambig(<untyped> [, uint64]), qualified name dummy.ambig
+/))
+EOE
+
+: reverse
+:
+$* <'print $reverse([string] abc)' >'abc'
+
 : optional-absent
 :
 $* <'print $optional()' >'true'
@@ -118,7 +135,7 @@ EOE
 : print-fovl
 :
 $* <'$ambig([bool] true)' 2>>~/EOE/ != 0
-buildfile:1:2: error: unmatched call to ambig(bool)
+buildfile:1:2: error: ambiguous call to ambig(bool)
 /((
   info: candidate: ambig(<untyped> [, uint64]), qualified name dummy.ambig
   info: candidate: ambig(<untyped> [, string]), qualified name dummy.ambig
diff --git a/unit-tests/function/driver.cxx b/unit-tests/function/driver.cxx
index e97596a..393b456 100644
--- a/unit-tests/function/driver.cxx
+++ b/unit-tests/function/driver.cxx
@@ -54,6 +54,8 @@ namespace build2
     f["ambig"] = [](names a, optional<string>)   {return a;};
     f["ambig"] = [](names a, optional<uint64_t>) {return a;};
 
+    f["reverse"] = [](names a) {return a;};
+
     f["scoped"]      = [](const scope*, names a) {return a;};
     f["scoped_void"] = [](const scope*, names) {};
     f["scoped"]      = &scoped;
-- 
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