Handle elements nested in slice?

[OillliO]

e.g.

{
    "a": [
        {"b":1, "c":2},
        {"b":11, "c":23},
        {"b":12, "c":24},
    ]
}

How to query to find out the b when its sibling c == 24?

[antonmedv]

You can define a special method on your env: Find() and use it return needed elements.