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Issue #2259 - Add mozilla::Result<V, E> and JS::Result<> for fallible return values

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Based-on: m-c 1283562, 1277368/1, 1324828
This commit is contained in:
Martok 2023-06-17 16:05:46 +02:00 • committed by roytam1
commit 4c2e378613
20 changed files with 905 additions and 73 deletions
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14
mfbt/Assertions.h
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@ -597,6 +597,8 @@ struct AssertionConditionType
/* Do nothing. */ \
} \
} while (0)
# define MOZ_ALWAYS_OK(expr) MOZ_ASSERT((expr).isOk())
# define MOZ_ALWAYS_ERR(expr) MOZ_ASSERT((expr).isErr())
#else
# define MOZ_ALWAYS_TRUE(expr) \
do { \
@ -610,6 +612,18 @@ struct AssertionConditionType
/* Silence MOZ_MUST_USE. */ \
} \
} while (0)
# define MOZ_ALWAYS_OK(expr) \
do { \
if ((expr).isOk()) { \
/* Silence MOZ_MUST_USE. */ \
} \
} while (0)
# define MOZ_ALWAYS_ERR(expr) \
do { \
if ((expr).isErr()) { \
/* Silence MOZ_MUST_USE. */ \
} \
} while (0)
#endif
#undef MOZ_DUMP_ASSERTION_STACK