From 236fbf4dda20d63c2723fff1024126c95f5358da Mon Sep 17 00:00:00 2001
From: Yichao Yu <yyc1992@gmail.com>
Date: Thu, 19 Jun 2014 01:34:27 +0800
Subject: [PATCH] better printing format
---
src/c_wrapper/error.h | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/src/c_wrapper/error.h b/src/c_wrapper/error.h
index aadc02a5..f7dc72b2 100644
--- a/src/c_wrapper/error.h
+++ b/src/c_wrapper/error.h
@@ -111,18 +111,22 @@ struct __CLPrintOut<T, typename std::enable_if<
static inline void
call(T v, std::ostream &stm)
{
- v.print(stm, true);
stm << ", ";
+ v.print(stm, true);
}
};
template<typename T, class = void>
struct __CLPrint {
static inline void
- call(T v, std::ostream &stm)
+ call(T v, std::ostream &stm, bool &&first)
{
+ if (!first) {
+ stm << ", ";
+ } else {
+ first = false;
+ }
v.print(stm);
- stm << ", ";
}
};
@@ -158,8 +162,8 @@ class CLArgPack : public ArgPack<CLArg, Types...> {
typename CLArgPack::tuple_base *that = this;
std::cerr << name << "(";
__CLCall<__CLPrint, sizeof...(Types) - 1,
- decltype(*that)>::call(*that, std::cerr);
- std::cerr << ") = (" << res << ", ";
+ decltype(*that)>::call(*that, std::cerr, true);
+ std::cerr << ") = (" << res;
__CLCall<__CLPrintOut, sizeof...(Types) - 1,
decltype(*that)>::call(*that, std::cerr);
std::cerr << ")" << std::endl;
--
GitLab