Josh Triplett 262d4dd5f2 Use Not::not rather than a custom is_false function
The `is_false` function already exists in the standard library, as
`Not::not`; use that in `skip_serializing_if` rather than defining an
`is_false` function.
2025-06-08 19:15:27 -07:00
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2025-04-11 15:04:23 -05:00