refactor: change x.first().unwrap() to x[0]

1 files changed, 2 insertions, 2 deletions

diff --git a/src/parse_assoc_type.rs b/src/parse_assoc_type.rs
index 856735d..5bc86cb 100644
--- a/src/parse_assoc_type.rs
+++ b/src/parse_assoc_type.rs
@@ -58,10 +58,10 @@ pub fn parse_assoc_type(
         if let PathSegment {
             ident,
             arguments: PathArguments::AngleBracketed(args),
-        } = bound.path.segments.first().unwrap()
+        } = &bound.path.segments[0]
         {
             if ident == "Into" && args.args.len() == 1 {
-                if let GenericArgument::Type(into_type) = args.args.first().unwrap() {
+                if let GenericArgument::Type(into_type) = &args.args[0] {
                     // provide a better error message for type A: Into<Self::B>
                     if iter_type(into_type).any(match_assoc_type) {
                         return Err((into_type.span(), AssocTypeParseError::AssocTypeInBound));