diff --git a/src/common.cpp b/src/common.cpp
index f0ba233..bded8c3 100644
--- a/src/common.cpp
+++ b/src/common.cpp
@@ -217,6 +217,17 @@ Result<Value> String::copy_value() const {
 
 Result<String> String::copy() const { return String(TRY(_value.copy())); }
 
+Result<Value> String::get(const Value& key) const {
+  if (!key.is<Int64>()) {
+    return ERROR(TypeMismatch);
+  }
+  uint64_t idx = (uint64_t)key.to<Int64>()->value();
+  auto c = TRY(operator[](idx));
+
+  auto res = Value(TRY(String::create(&c, 1)));
+  return res;
+}
+
 Result<Value> Symbol::copy_value() const {
   return Value(Symbol(TRY(_value.copy())));
 }
diff --git a/src/common.hpp b/src/common.hpp
index e17180d..a99445b 100644
--- a/src/common.hpp
+++ b/src/common.hpp
@@ -540,6 +540,8 @@ class String : public Object {
     return _value->data[idx];
   }
 
+  Result<Value> get(const Value& key) const;
+
   Result<String> concat(const char* rhs, uint64_t rhs_size) {
     uint64_t lhs_size = TRY(size());
     uint64_t res_size = lhs_size + rhs_size;
@@ -1408,7 +1410,7 @@ class Value {
     return ((Object*)buf)->div(*(Object*)rhs.buf);
   }
 
-  Result<Value> get(Value& key) const { return ((Object*)buf)->get(key); }
+  Result<Value> get(const Value& key) const { return ((Object*)buf)->get(key); }
   Result<Value> get(int64_t key) const {
     Value k = TRY(Int64::create(key));
     return ((Object*)buf)->get(k);