nerdcruft/libcruft-util
1
0
Fork 0
Code Issues Releases Activity

types: style

Browse Source
This commit is contained in:
Danny Robson 2016-01-27 15:32:58 +11:00
parent 800d7fef00
commit fa9a2e3864
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
types.hpp
View File

@ -67,18 +67,22 @@ namespace util {
///////////////////////////////////////////////////////////////////////////////
/// returns the first argument from a parameter pack which can evaluate to true.
template <class T>
T
first (T a) {
first (T a)
{
if (a)
return a;
throw std::logic_error ("no valid object");
}
//-----------------------------------------------------------------------------
template <class T, class ...Args>
T
first (T a, Args&& ...b) {
first (T a, Args&& ...b)
{
if (a)
return a;