Fix example code for json::json_pointer initialization#4468
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nlohmann merged 1 commit intonlohmann:developfrom May 22, 2025
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Fix example code for json::json_pointer initialization#4468nlohmann merged 1 commit intonlohmann:developfrom
nlohmann merged 1 commit intonlohmann:developfrom
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Changed the example code in the documentation from copy initialization to direct initialization for `json::json_pointer`. This prevents compilation errors caused by the constructor being explicit.
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Changed the example code in the documentation from copy initialization to direct initialization for `json::json_pointer`. This prevents compilation errors caused by the constructor being explicit.
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Changed the example code in the documentation from copy initialization to direct initialization for `json::json_pointer`. This prevents compilation errors caused by the constructor being explicit. Signed-off-by: Niels Lohmann <mail@nlohmann.me>
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Description
In #4453, the compilation error of
json::json_pointer p = "/nested/one";is due to the implicit conversion, as the constructor forjson_pointeris markedexplicit(see following source code).json/include/nlohmann/detail/json_pointer.hpp
Lines 62 to 64 in b36f4c4
Removing the
explicitcan allows to compile and pass the test, but i think it it might violate the design intentions.Modification
Changed the example code in the documentation (https://json.nlohmann.me/features/json_pointer/#json-pointer-creation) from copy initialization to direct initialization.
Before
json::json_pointer p = "/nested/one";After
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include/nlohmanndirectory, runmake amalgamateto create the single-header filessingle_include/nlohmann/json.hppandsingle_include/nlohmann/json_fwd.hpp. The whole process is described here.