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author | louiz’ <louiz@louiz.org> | 2017-06-28 14:41:33 +0200 |
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committer | louiz’ <louiz@louiz.org> | 2017-06-28 14:41:33 +0200 |
commit | 13a1ab1878fd6312aea485ded3f5bad59c36f17f (patch) | |
tree | 071b90523126d677f714cbf13346507f2e500d69 /src/utils/get_first_non_empty.hpp | |
parent | a1349361d2c15929e8260536c9091f2a4c2048a4 (diff) | |
parent | 7e69d0387e85eeed10d605349feeba595c3fa0ee (diff) | |
download | biboumi-13a1ab1878fd6312aea485ded3f5bad59c36f17f.tar.gz biboumi-13a1ab1878fd6312aea485ded3f5bad59c36f17f.tar.bz2 biboumi-13a1ab1878fd6312aea485ded3f5bad59c36f17f.tar.xz biboumi-13a1ab1878fd6312aea485ded3f5bad59c36f17f.zip |
Merge remote-tracking branch 'remotes/debian/master' into debian
Diffstat (limited to 'src/utils/get_first_non_empty.hpp')
-rw-r--r-- | src/utils/get_first_non_empty.hpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/utils/get_first_non_empty.hpp b/src/utils/get_first_non_empty.hpp new file mode 100644 index 0000000..a38f5fb --- /dev/null +++ b/src/utils/get_first_non_empty.hpp @@ -0,0 +1,20 @@ +#pragma once + +#include <string> + +bool is_empty(const std::string& val); +bool is_empty(const int& val); + +template <typename T> +T get_first_non_empty(T&& last) +{ + return last; +} + +template <typename T, typename... Args> +T get_first_non_empty(T&& first, Args&&... args) +{ + if (!is_empty(first)) + return first; + return get_first_non_empty(std::forward<Args>(args)...); +} |