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LibMain: Add a new library for more ergonomic userspace entry functions
By linking with LibMain, your program no longer needs to provide main(). Instead, execution begins in this function: ErrorOr<int> serenity_main(Main::Arguments); This allows programs that link with LibMain to use TRY() already in their entry function, without having to do manual ErrorOr unwrapping. This is very experimental, but it seems like a nice idea so let's try it out. :^)
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Userland/Libraries/LibMain/Main.h
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Userland/Libraries/LibMain/Main.h
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/*
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* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Error.h>
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namespace Main {
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struct Arguments {
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int argc {};
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char** argv {};
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Span<StringView> arguments;
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};
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}
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ErrorOr<int> serenity_main(Main::Arguments);
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