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AK+Kernel+LibELF: Remove the need for IteratorDecision::Continue

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By constraining two implementations, the compiler will select the best
fitting one. All this will require is duplicating the implementation and
simplifying for the `void` case.

This constraining also informs both the caller and compiler by passing
the callback parameter types as part of the constraint
(e.g.: `IterationFunction<int>`).

Some `for_each` functions in LibELF only take functions which return
`void`. This is a minimal correctness check, as it removes one way for a
function to incompletely do something.

There seems to be a possible idiom where inside a lambda, a `return;` is
the same as `continue;` in a for-loop.
This commit is contained in:
Nicholas Baron 2021-05-16 02:36:52 -07:00 • committed by GitHub
parent bbaa463032
commit aa4d41fe2c
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25 changed files with 311 additions and 127 deletions
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2
Userland/Libraries/LibELF/DynamicObject.cpp
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@ -49,7 +49,6 @@ void DynamicObject::dump() const
String name_field = String::formatted("({})", name_for_dtag(entry.tag()));
builder.appendff("{:#08x} {:17} {:#08x}\n", entry.tag(), name_field, entry.val());
num_dynamic_sections++;
return IterationDecision::Continue;
});
if (m_has_soname)
@ -171,7 +170,6 @@ void DynamicObject::parse()
VERIFY_NOT_REACHED(); // FIXME: Maybe just break out here and return false?
break;
}
return IterationDecision::Continue;
});
if (!m_size_of_relocation_entry) {