mirror of
https://github.com/KaiserY/trpl-zh-cn
synced 2025-02-25 13:52:18 +08:00
20 lines
288 B
Rust
20 lines
288 B
Rust
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pub struct Post {
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state: Option<Box<dyn State>>,
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content: String,
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}
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impl Post {
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pub fn new() -> Post {
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Post {
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state: Some(Box::new(Draft {})),
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content: String::new(),
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}
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}
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}
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trait State {}
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struct Draft {}
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impl State for Draft {}
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