Niels Lohmann c2553bac5a Deduplicate the string/binary cleanup in the two erase() overloads ...

erase(pos) and erase(first, last) each carried a byte-identical
14-line block that destroys and deallocates a string or binary
value before resetting the type to null. That reimplements the
string/binary cases of json_value::destroy(), so any future change to
how those values are freed would have to be made in three places
instead of one. Both overloads now just call destroy() and reset the
union; for the other primitive types (boolean, numbers) destroy() is
a no-op, so behavior is unchanged.

Also fix erase(first, last)'s error-path branch hint, which used
JSON_HEDLEY_LIKELY where erase(pos), the iterator-range constructor,
and every other error path in the class use JSON_HEDLEY_UNLIKELY.
This only affects code layout, not semantics.

Part of #5724

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

2026-09-30 10:40:04 +02:00

..

json_fwd.hpp

Make JSON_STRICT_NUL_HANDLING part of the ABI tag (#5560)

2026-09-25 21:54:11 +02:00

json.hpp

Deduplicate the string/binary cleanup in the two erase() overloads

2026-09-30 10:40:04 +02:00