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author | Karen Arutyunov <karen@codesynthesis.com> | 2024-01-24 16:53:38 +0300 |
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committer | Karen Arutyunov <karen@codesynthesis.com> | 2024-01-24 16:53:38 +0300 |
commit | 26e36b3a9d7b49d46ecfa69b447482251acba8ac (patch) | |
tree | 5436b7857fae9aee50d018ea0eef35a529fc03e4 /libodb/odb/result.txx | |
parent | 0074faad1b27f3cd52a606c438e4f1375956d731 (diff) |
Turn libodb repository into package for muti-package repositorylibodb
Diffstat (limited to 'libodb/odb/result.txx')
-rw-r--r-- | libodb/odb/result.txx | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/libodb/odb/result.txx b/libodb/odb/result.txx new file mode 100644 index 0000000..b69d92a --- /dev/null +++ b/libodb/odb/result.txx @@ -0,0 +1,49 @@ +// file : odb/result.txx +// license : GNU GPL v2; see accompanying LICENSE file + +#include <cassert> + +namespace odb +{ + template <typename T> + typename result<T>::pointer_type result<T>:: + one () + { + iterator i (begin ()); + + if (i != end ()) + { + pointer_type o (i.load ()); + assert (++i == end ()); // More than one element in query_one() result. + return o; + } + + return pointer_type (); + } + + template <typename T> + bool result<T>:: + one (T& o) + { + iterator i (begin ()); + + if (i != end ()) + { + i.load (o); + assert (++i == end ()); // More than one element in query_one() result. + return true; + } + + return false; + } + + template <typename T> + void result<T>:: + value (T& o) + { + iterator i (begin ()); + assert (i != end ()); // Zero elements in query_value() result. + i.load (o); + assert (++i == end ()); // More than one element in query_value() result. + } +} |