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#[macro_use]
mod macros;
use proc_macro2::{Delimiter, Group, Ident, Punct, Spacing, Span, TokenStream, TokenTree};
use quote::quote;
use std::iter::FromIterator;
use syn::{Expr, Type};
#[test]
fn parse_interpolated_leading_component() {
// mimics the token stream corresponding to `$mod::rest`
let tokens = TokenStream::from_iter(vec![
TokenTree::Group(Group::new(Delimiter::None, quote! { first })),
TokenTree::Punct(Punct::new(':', Spacing::Joint)),
TokenTree::Punct(Punct::new(':', Spacing::Alone)),
TokenTree::Ident(Ident::new("rest", Span::call_site())),
]);
snapshot!(tokens.clone() as Expr, @r###"
Expr::Path {
path: Path {
segments: [
PathSegment {
ident: "first",
arguments: None,
},
PathSegment {
ident: "rest",
arguments: None,
},
],
},
}
"###);
snapshot!(tokens as Type, @r###"
Type::Path {
path: Path {
segments: [
PathSegment {
ident: "first",
arguments: None,
},
PathSegment {
ident: "rest",
arguments: None,
},
],
},
}
"###);
}
|
