diff options
Diffstat (limited to 'sca-cpp/trunk/kernel/monad.hpp')
| -rw-r--r-- | sca-cpp/trunk/kernel/monad.hpp | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/sca-cpp/trunk/kernel/monad.hpp b/sca-cpp/trunk/kernel/monad.hpp index 34e39c72d9..c21f6409b7 100644 --- a/sca-cpp/trunk/kernel/monad.hpp +++ b/sca-cpp/trunk/kernel/monad.hpp @@ -242,7 +242,7 @@ private: template<typename A, typename B> friend const bool hasContent(const failable<A, B>& m); template<typename A, typename B> friend const A content(const failable<A, B>& m); template<typename A, typename B> friend const B reason(const failable<A, B>& m); - template<typename A, typename B> friend const failable<A, B> mkfailure(const B& f); + template<typename A, typename B> friend const failable<A, B> mkfailure(const B& f, const bool log = true); template<typename A> friend const failable<A, string> mkfailure(); bool hasv; @@ -276,22 +276,26 @@ template<typename V, typename F> const lambda<failable<V, F>(const V)> success() /** * Returns a failable monad with a failure in it. */ -template<typename V, typename F> const failable<V, F> mkfailure(const F& f) { +template<typename V, typename F> const failable<V, F> mkfailure(const F& f, const bool log = true) { #ifdef WANT_MAINTAINER_MODE - ostringstream os; - os << f; - if (length(str(os)) != 0) - debug(f, "failable::mkfailure"); + if (log) { + ostringstream os; + os << f; + if (length(str(os)) != 0) + debug(f, "failable::mkfailure"); + } #else - ostringstream os; - os << f; - if (length(str(os)) != 0) - cfailure << "failable::mkfailure" << ": " << f << endl; + if (log) { + ostringstream os; + os << f; + if (length(str(os)) != 0) + cfailure << "failable::mkfailure" << ": " << f << endl; + } #endif return failable<V, F>(false, f); } -template<typename V> const failable<V> mkfailure(const char* f) { +template<typename V> const failable<V> mkfailure(const char* f, const bool log = true) { return mkfailure<V, string>(string(f)); } |