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json array: initialize with prescribed size and resize method. #1057

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SylvainCorlay opened this issue Apr 17, 2018 · 3 comments
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json array: initialize with prescribed size and resize method. #1057

SylvainCorlay opened this issue Apr 17, 2018 · 3 comments
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solution: proposed fix a fix for the issue has been proposed and waits for confirmation

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@SylvainCorlay
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Feature Request

I would like the ability to initialize a JSON array with a prescribed size.

My use case if that I know that I will be setting all items of a JSON arrays on known length but out of order.

I could do this with an intermediate STL container but I would prefer to avoid the temporary.
@nlohmann
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You can use this constructor: https://nlohmann.github.io/json/classnlohmann_1_1basic__json_ab6816ae5100409254ed0a8bc21c387bb.html#ab6816ae5100409254ed0a8bc21c387bb

@nlohmann nlohmann added the solution: proposed fix a fix for the issue has been proposed and waits for confirmation label Apr 17, 2018
@nlohmann
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@SylvainCorlay Does this solve this issue?

@SylvainCorlay
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yep, closing!

thanks!

@nickaein nickaein mentioned this issue Apr 27, 2019
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@nlohmann @SylvainCorlay