Solved: 20 - Constructors

modules/06_oop_basics/src/constructors.cpp

@@ -2,12 +2,12 @@
 
 namespace oop {
 
-StringBuilder::StringBuilder(std::string initial) {
-    // TODO: Initialize buffer_ from initial
-    (void)initial;
-}
 
-StringBuilder::StringBuilder(const StringBuilder& other) : buffer_(other.buffer_) {}
+StringBuilder::StringBuilder(const std::string &initial)
+    : buffer_(initial.begin(), initial.end()) {}
+
+StringBuilder::StringBuilder(const StringBuilder& other)
+    : buffer_(other.buffer_) {}
 
 auto StringBuilder::operator=(const StringBuilder& other) -> StringBuilder& {
     if (this != &other) {
@@ -17,8 +17,7 @@ auto StringBuilder::operator=(const StringBuilder& other) -> StringBuilder& {
 }
 
 void StringBuilder::append(const std::string& text) {
-    // TODO: Append all characters from text
-    (void)text;
+    std::ranges::copy(text, std::back_inserter(this->buffer_));
 }
 
 auto StringBuilder::str() const -> std::string {