Fix some clippy lints, possible edge case API incompatibility around HashMap

1 files changed, 5 insertions, 3 deletions

diff --git a/src/conversion.rs b/src/conversion.rs
index 306249b..be19414 100644
--- a/src/conversion.rs
+++ b/src/conversion.rs
@@ -1,5 +1,5 @@
 use std::collections::{BTreeMap, HashMap};
-use std::hash::Hash;
+use std::hash::{BuildHasher, Hash};
 use std::string::String as StdString;
 
 use error::*;
@@ -266,13 +266,15 @@ impl<'lua, T: FromLua<'lua>> FromLua<'lua> for Vec<T> {
     }
 }
 
-impl<'lua, K: Eq + Hash + ToLua<'lua>, V: ToLua<'lua>> ToLua<'lua> for HashMap<K, V> {
+impl<'lua, K: Eq + Hash + ToLua<'lua>, V: ToLua<'lua>, S: BuildHasher> ToLua<'lua>
+    for HashMap<K, V, S> {
     fn to_lua(self, lua: &'lua Lua) -> Result<Value<'lua>> {
         Ok(Value::Table(lua.create_table_from(self)?))
     }
 }
 
-impl<'lua, K: Eq + Hash + FromLua<'lua>, V: FromLua<'lua>> FromLua<'lua> for HashMap<K, V> {
+impl<'lua, K: Eq + Hash + FromLua<'lua>, V: FromLua<'lua>, S: BuildHasher + Default> FromLua<'lua>
+    for HashMap<K, V, S> {
     fn from_lua(value: Value<'lua>, _: &'lua Lua) -> Result<Self> {
         if let Value::Table(table) = value {
             table.pairs().collect()