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| author | MarcoFalke <falke.marco@gmail.com> | 2021-02-28 16:38:19 +0100 |
|---|---|---|
| committer | MarcoFalke <falke.marco@gmail.com> | 2021-03-04 12:03:50 +0100 |
| commit | fa4cebadcffd9112da4b13c7cc7ccf21e2bee887 (patch) | |
| tree | 934dc4c244fd2d7747feb2b751ebdb1f52c52968 | |
| parent | d099894ec124598b37bd4a0a41b2c93e0034108f (diff) | |
| download | bitcoin-fa4cebadcffd9112da4b13c7cc7ccf21e2bee887.tar.xz | |
util: Make Assume() usable as unary expression
| -rw-r--r-- | src/test/util_tests.cpp | 3 | ||||
| -rw-r--r-- | src/util/check.h | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/src/test/util_tests.cpp b/src/test/util_tests.cpp index 5a46002a79..32db6d6c83 100644 --- a/src/test/util_tests.cpp +++ b/src/test/util_tests.cpp @@ -76,6 +76,9 @@ BOOST_AUTO_TEST_CASE(util_check) const int two = *Assert(p_two); Assert(two == 2); Assert(true); + // Check that Assume can be used as unary expression + const bool result{Assume(two == 2)}; + Assert(result); } BOOST_AUTO_TEST_CASE(util_criticalsection) diff --git a/src/util/check.h b/src/util/check.h index bc62da3440..e60088a2c6 100644 --- a/src/util/check.h +++ b/src/util/check.h @@ -69,7 +69,7 @@ T get_pure_r_value(T&& val) #ifdef ABORT_ON_FAILED_ASSUME #define Assume(val) Assert(val) #else -#define Assume(val) ((void)(val)) +#define Assume(val) ([&]() -> decltype(get_pure_r_value(val)) { auto&& check = (val); return std::forward<decltype(get_pure_r_value(val))>(check); }()) #endif #endif // BITCOIN_UTIL_CHECK_H |