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POUndefined Reference To Function When All Info Is In The Header File
 

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  1. POUndefined Reference To Function When All Info Is In The Header File
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    <p>When I attempt to compile the following code, I get this error:</p> <pre><code>obj\Debug\main.o||In function `main':| C:\Users\dmarr\Documents\CSharper\Dallas\CPlusPlus\WHYGODWHYCB\main.cpp|16|undefined reference to `bag::bag()'| ||=== Build finished: 1 errors, 0 warnings ===| </code></pre> <p>At first, I had bag.h and bag.cpp as two separate files- many of the answers relating to "Undefined Reference" here suggested to move the contents of the .cpp file into the .h file- so I did. However, I am still getting the aforementioned error when compiling.</p> <p>aItem.cpp:</p> <pre><code>//aItem .cpp implementation file #include "aItem.h" #include &lt;iostream&gt; #include &lt;string&gt; #include &lt;vector&gt; using namespace std; //setting this up default aItem::aItem() { m_itemName = "Default Name"; m_itemType = "Default Type"; m_damage = 9001; } void aItem::setName(string name) { m_itemName = name; } void aItem::setType(string type) { m_itemType = type; } void aItem::setDamage(int damage) { m_damage = damage; } string aItem::getName() { return m_itemName; } string aItem::getType() { return m_itemType; } int aItem::getDamage() { return m_damage; } </code></pre> <p>aItem.h:</p> <pre><code>#ifndef AITEM_H_INCLUDED #define AITEM_H_INCLUDED #include &lt;iostream&gt; #include &lt;string&gt; #include &lt;vector&gt; using namespace std; class aItem { public: //constructor aItem(); //Methods void ItemCreate(string itemName, string itemType, int damage); void setName(string name); void setType(string type); void setDamage(int damage); string getName(); string getType(); int getDamage(); private: string m_itemName; string m_itemType; int m_damage; }; #endif // AITEM_H_INCLUDED </code></pre> <p>bag.h:</p> <pre><code>#ifndef BAG_H_INCLUDED #define BAG_H_INCLUDED #include "aItem.h" #include &lt;iostream&gt; #include &lt;string&gt; #include &lt;vector&gt; using namespace std; class aItem; class bag : public aItem { public: //constructor bag(); //methods //void delItem(aItem aitem); void addItem(aItem var) { m_items.push_back(var); } void bagList() { for( vector&lt;aItem&gt;::size_type index = 0; index &lt; m_items.size(); index++ ) { //Makes a numerical list. cout &lt;&lt; "Item " &lt;&lt; index + 1 &lt;&lt; ": " &lt;&lt; m_items[index].m_itemName &lt;&lt; endl; index+= 1; } } private: vector&lt;aItem&gt; m_items; }; #endif // BAG_H_INCLUDED </code></pre> <p>...and finally, main.cpp:</p> <pre><code>// WHYGODWHY.cpp : Defines the entry point for the console application. // #include "aItem.h" #include "bag.h" #include &lt;iostream&gt; using namespace std; int main() { aItem woodSword; woodSword.setName("Wooden Sword"); woodSword.setDamage(3); woodSword.setType("WPN"); bag inventory; inventory.addItem(woodSword); inventory.bagList(); cout &lt;&lt; "Name: " &lt;&lt; woodSword.getName() &lt;&lt; endl; cout &lt;&lt; "Type: " &lt;&lt; woodSword.getType() &lt;&lt; endl; cout &lt;&lt; "Damage: " &lt;&lt; woodSword.getDamage() &lt;&lt; endl; //cout &lt;&lt; "Inv: " &lt;&lt; int pause = 0; cout &lt;&lt; "Pause!"; cin &gt;&gt; pause; return 0; } </code></pre>
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    1. USVladimir Marenus
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    1. COHave you implemented the bag constructor? I see no code for it, only a declaration.
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