30 lines
603 B
Rust
30 lines
603 B
Rust
use darling::{FromDeriveInput, FromMeta};
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use syn::parse_quote;
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#[derive(FromDeriveInput)]
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#[darling(attributes(hello))]
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#[allow(dead_code)]
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struct Lorem {
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ident: syn::Ident,
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ipsum: Ipsum,
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}
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#[derive(FromMeta)]
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struct Ipsum {
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#[darling(multiple)]
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dolor: Vec<String>,
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}
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#[test]
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fn expand_many() {
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let di = parse_quote! {
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#[hello(ipsum(dolor = "Hello", dolor = "World"))]
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pub struct Baz;
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};
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let lorem: Lorem = Lorem::from_derive_input(&di).unwrap();
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assert_eq!(
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lorem.ipsum.dolor,
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vec!["Hello".to_string(), "World".to_string()]
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);
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}
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