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Fix sequence sometimes not turning into a map (#450)

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Previously, just referencing the next element in the sequence (and so constructing it, as an undefined element) would allow you to skip defining an element without turning the sequence into a map. E.g:

node[0] = "foo"; // sequence of size 1
node[1]; // sequence of size 1, with an undefined element at 1
node[2] = "bar"; // FIX: should be map of size 2 (since there's no element at index 1)
This commit is contained in:
butataatawa
2017-01-02 22:44:22 +01:00
committed by Jesse Beder
parent 3757b2023b
commit f82861001a
2 changed files with 13 additions and 2 deletions
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2
include/yaml-cpp/node/detail/impl.h
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@@ -32,7 +32,7 @@ struct get_idx<Key,
static node* get(std::vector<node*>& sequence, const Key& key,
shared_memory_holder pMemory) {
if (key > sequence.size())
if (key > sequence.size() || (key > 0 && !sequence[key-1]->is_defined()))
return 0;
if (key == sequence.size())
sequence.push_back(&pMemory->create_node());