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Merge pull request #1769 from chris0x44/json_pointer

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Make json_pointer::back const (resolves #1764)
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Niels Lohmann authored and GitHub committed 2019-10-03 10:35:34 +02:00
2 parents d826282f53 7476f5ee0c
commit dae0fe79af
3 files changed
+6 -2
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include/nlohmann/detail/json_pointer.hpp
+1 -1
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@@ -267,7 +267,7 @@ class json_pointer
@since version 3.6.0
*/
const std::string& back()
const std::string& back() const
{
if (JSON_HEDLEY_UNLIKELY(empty()))
{
single_include/nlohmann/json.hpp
+1 -1
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@@ -10232,7 +10232,7 @@ class json_pointer
@since version 3.6.0
*/
const std::string& back()
const std::string& back() const
{
if (JSON_HEDLEY_UNLIKELY(empty()))
{
test/src/unit-json_pointer.cpp
+4
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@@ -559,6 +559,10 @@ TEST_CASE("JSON pointers")
CHECK(!ptr.empty());
CHECK(j[ptr] == j["answer"]["everything"]);
// check access via const pointer
const auto cptr = ptr;
CHECK(cptr.back() == "everything");
ptr.pop_back();
ptr.pop_back();
CHECK(ptr.empty());