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AK+Kernel: Unify Traits<T>::equals()'s argument order on different types

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There was a small mishmash of argument order, as seen on the table:

                 | Traits<T>::equals(U, T) | Traits<T>::equals(T, U)
   ============= | ======================= | =======================
   uses equals() | HashMap                 | Vector, HashTable
defines equals() | *String[^1]             | ByteBuffer

[^1]: String, DeprecatedString, their Fly-type equivalents and KString.

This mostly meant that you couldn't use a StringView for finding a value
in Vector<String>.

I'm changing the order of arguments to make the trait type itself first
(`Traits<T>::equals(T, U)`), as I think it's more expected and makes us
more consistent with the rest of the functions that put the stored type
first (like StringUtils functions and binary_serach). I've also renamed
the variable name "other" in find functions to "entry" to give more
importance to the value.

With this change, each of the following lines will now compile
successfully:

    Vector<String>().contains_slow("WHF!"sv);
    HashTable<String>().contains("WHF!"sv);
    HashMap<ByteBuffer, int>().contains("WHF!"sv.bytes());
This commit is contained in:
Karol Kosek 2023-08-21 16:38:11 +02:00 • committed by Andreas Kling
parent 5ff7448fee
commit e575ee4462
7 changed files with 26 additions and 16 deletions
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4
AK/SinglyLinkedList.h
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@ -224,12 +224,12 @@ public:
ConstIterator find(T const& value) const
{
return find_if([&](auto& other) { return Traits<T>::equals(value, other); });
return find_if([&](auto& entry) { return Traits<T>::equals(entry, value); });
}
Iterator find(T const& value)
{
return find_if([&](auto& other) { return Traits<T>::equals(value, other); });
return find_if([&](auto& entry) { return Traits<T>::equals(entry, value); });
}
template<typename U = T>