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AK: Add operator* and operator-> overloads in Optional.

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asynts 2020-12-30 21:16:37 +01:00 committed by Andreas Kling
parent c770b0bbec
commit a7c014125f
Notes: sideshowbarker 2024-07-19 00:19:46 +09:00 
Author: https://github.com/asynts
Commit: https://github.com/SerenityOS/serenity/commit/a7c014125fc
Pull-request: https://github.com/SerenityOS/serenity/pull/4669
2 changed files with 14 additions and 0 deletions
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6
AK/Optional.h
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@ -155,6 +155,12 @@ public:
return fallback;
}
const T& operator*() const { return value(); }
T& operator*() { return value(); }
const T* operator->() const { return &value(); }
T* operator->() { return &value(); }
private:
// Call when we don't want to alter the consume state
ALWAYS_INLINE const T& value_without_consume_state() const

8
AK/Tests/TestOptional.cpp
View file

@ -66,4 +66,12 @@ TEST_CASE(optional_leak_1)
EXPECT_EQ(vec[0].str.value(), "foo");
}
TEST_CASE(short_notation)
{
Optional<StringView> value = "foo";
EXPECT_EQ(value->length(), 3u);
EXPECT_EQ(*value, "foo");
}
TEST_MAIN(Optional)