FUNCTION
json.as_big_integer_or_null
function as_big_integer_or_null(): big_integer?Convert this JSON value to a big_integer.
All JSON values that can be converted to integer with as_integer_or_null() can also be converted
to big_integer with as_big_integer_or_null(), though the reverse is not true, since
big_integer values may fall outside the integer range.
Returns
this JSON value as a big_integer, or null if it cannot be converted to a big_integer
Since
0.14.16
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