15 lines
220 B
Rust
15 lines
220 B
Rust
use serde_derive::Serialize;
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#[derive(Serialize)]
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struct Foo {
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#[serde(flatten, skip_serializing_if = "Option::is_none")]
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other: Option<Other>,
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}
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#[derive(Serialize)]
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struct Other {
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x: u32,
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}
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fn main() {}
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