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Change link() to shallowCopy() (issue #1343)

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Instead of storing a pointer, the function copies the `VariantData`.

Benefits:
* smaller code
* no impact on programs that don't use this feature

Drawbacks:
* changes to the original variant are not always reflected on the copy
* modifying the original from the shallow copy leads to UB
This commit is contained in:
Benoit Blanchon
2022-07-05 17:07:43 +02:00
parent 3b3ab8c4e1
commit cd8373ad32
36 changed files with 78 additions and 543 deletions
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4
src/ArduinoJson/Json/JsonSerializer.hpp
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@@ -24,7 +24,7 @@ class JsonSerializer : public Visitor<size_t> {
const VariantSlot *slot = array.head();
while (slot != 0) {
slot->data()->resolve()->accept(*this);
slot->data()->accept(*this);
slot = slot->next();
if (slot == 0)
@@ -45,7 +45,7 @@ class JsonSerializer : public Visitor<size_t> {
while (slot != 0) {
_formatter.writeString(slot->key());
write(':');
slot->data()->resolve()->accept(*this);
slot->data()->accept(*this);
slot = slot->next();
if (slot == 0)