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Check if a key exists #2191

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tawmoto opened this issue Jun 15, 2020 · 2 comments
Closed

Check if a key exists #2191

tawmoto opened this issue Jun 15, 2020 · 2 comments
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kind: question solution: proposed fix a fix for the issue has been proposed and waits for confirmation

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@tawmoto
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tawmoto commented Jun 15, 2020

Hi,

Is there a method to check if a key exists? Other than using .at() and catching the exception?
Sometimes I get a field named error in the json response and I would like to check it also.

Thanks.
@nlohmann
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There is a contains(key) member function.

@nlohmann nlohmann added the solution: proposed fix a fix for the issue has been proposed and waits for confirmation label Jun 15, 2020
@tawmoto
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tawmoto commented Jun 15, 2020

contains(key)

Great, I don't know how I missed it. I was searching for "exists" or smth. :-)
Thanks a lot!

@tawmoto tawmoto closed this as completed Jun 15, 2020
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@nlohmann @tawmoto