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use std::collections::HashMap;
use darling::FromMeta;
use syn::{parse_quote, Attribute, Path};
#[derive(Debug, FromMeta, PartialEq, Eq)]
struct MapValue {
name: String,
#[darling(default)]
option: bool,
}
#[test]
fn parse_map() {
let attr: Attribute = parse_quote! {
#[foo(first(name = "Hello", option), the::second(name = "Second"))]
};
let meta = attr.meta;
let map: HashMap<Path, MapValue> = FromMeta::from_meta(&meta).unwrap();
let comparison: HashMap<Path, MapValue> = vec![
(
parse_quote!(first),
MapValue {
name: "Hello".into(),
option: true,
},
),
(
parse_quote!(the::second),
MapValue {
name: "Second".into(),
option: false,
},
),
]
.into_iter()
.collect();
assert_eq!(comparison, map);
}