-
Notifications
You must be signed in to change notification settings - Fork 13
Expand file tree
/
Copy pathfunction-template-overloading.html
More file actions
63 lines (58 loc) · 24.5 KB
/
function-template-overloading.html
File metadata and controls
63 lines (58 loc) · 24.5 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
<!DOCTYPE html>
<html lang="en-US">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>C++ | Function Template Overloading</title>
<meta name="generator" content="VuePress 1.8.2">
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
<link rel="manifest" href="/site.webmanifest">
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
<link rel="mask-icon" href="/safari-pinned-tab.svg" color="#5bbad5">
<meta name="description" content="What is a valid function template overloading?">
<meta property="og:site_name" content="DevTut">
<meta property="og:title" content="C++ | Function Template Overloading">
<meta property="og:description" content="What is a valid function template overloading?">
<meta property="og:type" content="article">
<meta property="og:url" content="/cpp/function-template-overloading.html">
<meta property="og:image" content="/logo.png">
<meta name="twitter:title" content="C++ | Function Template Overloading">
<meta name="twitter:description" content="What is a valid function template overloading?">
<meta name="twitter:url" content="/cpp/function-template-overloading.html">
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:image" content="/logo.png">
<meta name="theme-color" content="#ffffff">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<meta name="msapplication-TileImage" content="/mstile-150x150.png">
<meta name="msapplication-TileColor" content="#da532c">
<meta name="google-site-verification" content="76_rKXgwMVIjd-axJC_1zPV9OS4mEjvtgjYOWVkAdnQ">
<link rel="preload" href="/assets/css/0.styles.60619e34.css" as="style"><link rel="preload" href="/assets/js/app.1779e102.js" as="script"><link rel="preload" href="/assets/js/3.2cfa8016.js" as="script"><link rel="preload" href="/assets/js/658.ac2321f5.js" as="script">
<link rel="stylesheet" href="/assets/css/0.styles.60619e34.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12z"></path></svg></div> <a href="/" class="home-link router-link-active"><!----> <span class="site-name">DevTut</span></a> <div class="links"><form id="search-form" role="search" class="algolia-search-wrapper search-box"><input id="algolia-search-input" class="search-query"></form> <nav class="nav-links can-hide"> <a href="https://github.com/devtut/generate" target="_blank" rel="noopener noreferrer" class="repo-link">
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav></div></header> <div class="sidebar-mask"></div> <aside class="sidebar"><nav class="nav-links"> <a href="https://github.com/devtut/generate" target="_blank" rel="noopener noreferrer" class="repo-link">
GitHub
<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav> <ul class="sidebar-links"><li><section class="sidebar-group depth-0"><p class="sidebar-heading open"><span>C++</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/cpp/" aria-current="page" class="sidebar-link">Disclaimer</a></li><li><a href="/cpp/getting-started-with-cpp.html" class="sidebar-link">Getting started with C++</a></li><li><a href="/cpp/literals.html" class="sidebar-link">Literals</a></li><li><a href="/cpp/operator-precedence.html" class="sidebar-link">operator precedence</a></li><li><a href="/cpp/floating-point-arithmetic.html" class="sidebar-link">Floating Point Arithmetic</a></li><li><a href="/cpp/bit-operators.html" class="sidebar-link">Bit Operators</a></li><li><a href="/cpp/bit-manipulation.html" class="sidebar-link">Bit Manipulation</a></li><li><a href="/cpp/bit-fields.html" class="sidebar-link">Bit fields</a></li><li><a href="/cpp/arrays.html" class="sidebar-link">Arrays</a></li><li><a href="/cpp/iterators.html" class="sidebar-link">Iterators</a></li><li><a href="/cpp/basic-input-output-in-c.html" class="sidebar-link">Basic input/output in c++</a></li><li><a href="/cpp/loops.html" class="sidebar-link">Loops</a></li><li><a href="/cpp/file-i-o.html" class="sidebar-link">File I/O</a></li><li><a href="/cpp/cpp-streams.html" class="sidebar-link">C++ Streams</a></li><li><a href="/cpp/stream-manipulators.html" class="sidebar-link">Stream manipulators</a></li><li><a href="/cpp/flow-control.html" class="sidebar-link">Flow Control</a></li><li><a href="/cpp/metaprogramming.html" class="sidebar-link">Metaprogramming</a></li><li><a href="/cpp/const-keyword.html" class="sidebar-link">const keyword</a></li><li><a href="/cpp/mutable-keyword.html" class="sidebar-link">mutable keyword</a></li><li><a href="/cpp/friend-keyword.html" class="sidebar-link">Friend keyword</a></li><li><a href="/cpp/type-keywords.html" class="sidebar-link">Type Keywords</a></li><li><a href="/cpp/basic-type-keywords.html" class="sidebar-link">Basic Type Keywords</a></li><li><a href="/cpp/variable-declaration-keywords.html" class="sidebar-link">Variable Declaration Keywords</a></li><li><a href="/cpp/keywords.html" class="sidebar-link">Keywords</a></li><li><a href="/cpp/returning-several-values-from-a-function.html" class="sidebar-link">Returning several values from a function</a></li><li><a href="/cpp/polymorphism.html" class="sidebar-link">Polymorphism</a></li><li><a href="/cpp/references.html" class="sidebar-link">References</a></li><li><a href="/cpp/value-and-reference-semantics.html" class="sidebar-link">Value and Reference Semantics</a></li><li><a href="/cpp/c-function-call-by-value-vs-call-by-reference.html" class="sidebar-link">C++ function "call by value" vs. "call by reference"</a></li><li><a href="/cpp/copying-vs-assignment.html" class="sidebar-link">Copying vs Assignment</a></li><li><a href="/cpp/pointers.html" class="sidebar-link">Pointers</a></li><li><a href="/cpp/pointers-to-members.html" class="sidebar-link">Pointers to members</a></li><li><a href="/cpp/the-this-pointer.html" class="sidebar-link">The This Pointer</a></li><li><a href="/cpp/smart-pointers.html" class="sidebar-link">Smart Pointers</a></li><li><a href="/cpp/classes-structures.html" class="sidebar-link">Classes/Structures</a></li><li><a href="/cpp/function-overloading.html" class="sidebar-link">Function Overloading</a></li><li><a href="/cpp/operator-overloading.html" class="sidebar-link">Operator Overloading</a></li><li><a href="/cpp/function-template-overloading.html" aria-current="page" class="active sidebar-link">Function Template Overloading</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/cpp/function-template-overloading.html#what-is-a-valid-function-template-overloading" class="sidebar-link">What is a valid function template overloading?</a></li></ul></li><li><a href="/cpp/virtual-member-functions.html" class="sidebar-link">Virtual Member Functions</a></li><li><a href="/cpp/inline-functions.html" class="sidebar-link">Inline functions</a></li><li><a href="/cpp/special-member-functions.html" class="sidebar-link">Special Member Functions</a></li><li><a href="/cpp/non-static-member-functions.html" class="sidebar-link">Non-Static Member Functions</a></li><li><a href="/cpp/constant-class-member-functions.html" class="sidebar-link">Constant class member functions</a></li><li><a href="/cpp/c-containers.html" class="sidebar-link">C++ Containers</a></li><li><a href="/cpp/namespaces.html" class="sidebar-link">Namespaces</a></li><li><a href="/cpp/header-files.html" class="sidebar-link">Header Files</a></li><li><a href="/cpp/using-declaration.html" class="sidebar-link">Using declaration</a></li><li><a href="/cpp/std-string.html" class="sidebar-link">std::string</a></li><li><a href="/cpp/std-array.html" class="sidebar-link">std::array</a></li><li><a href="/cpp/std-vector.html" class="sidebar-link">std::vector</a></li><li><a href="/cpp/std-map.html" class="sidebar-link">std::map</a></li><li><a href="/cpp/std-optional.html" class="sidebar-link">std::optional</a></li><li><a href="/cpp/std-function-to-wrap-any-element-that-is-callable.html" class="sidebar-link">std::function: To wrap any element that is callable</a></li><li><a href="/cpp/std-forward-list.html" class="sidebar-link">std::forward_list</a></li><li><a href="/cpp/std-pair.html" class="sidebar-link">std::pair</a></li><li><a href="/cpp/std-atomics.html" class="sidebar-link">std::atomics</a></li><li><a href="/cpp/std-variant.html" class="sidebar-link">std::variant</a></li><li><a href="/cpp/std-iomanip.html" class="sidebar-link">std::iomanip</a></li><li><a href="/cpp/std-any.html" class="sidebar-link">std::any</a></li><li><a href="/cpp/std-set-and-std-multiset.html" class="sidebar-link">std::set and std::multiset</a></li><li><a href="/cpp/std-integer-sequence.html" class="sidebar-link">std::integer_sequence</a></li><li><a href="/cpp/using-std-unordered-map.html" class="sidebar-link">Using std::unordered_map</a></li><li><a href="/cpp/standard-library-algorithms.html" class="sidebar-link">Standard Library Algorithms</a></li><li><a href="/cpp/the-iso-c-standard.html" class="sidebar-link">The ISO C++ Standard</a></li><li><a href="/cpp/inline-variables.html" class="sidebar-link">Inline variables</a></li><li><a href="/cpp/random-number-generation.html" class="sidebar-link">Random number generation</a></li><li><a href="/cpp/date-and-time-using-chrono-header.html" class="sidebar-link">Date and time using header</a></li><li><a href="/cpp/sorting.html" class="sidebar-link">Sorting</a></li><li><a href="/cpp/enumeration.html" class="sidebar-link">Enumeration</a></li><li><a href="/cpp/iteration.html" class="sidebar-link">Iteration</a></li><li><a href="/cpp/regular-expressions.html" class="sidebar-link">Regular expressions</a></li><li><a href="/cpp/implementation-defined-behavior.html" class="sidebar-link">Implementation-defined behavior</a></li><li><a href="/cpp/exceptions.html" class="sidebar-link">Exceptions</a></li><li><a href="/cpp/lambdas.html" class="sidebar-link">Lambdas</a></li><li><a href="/cpp/value-categories.html" class="sidebar-link">Value Categories</a></li><li><a href="/cpp/preprocessor.html" class="sidebar-link">Preprocessor</a></li><li><a href="/cpp/data-structures-in-c.html" class="sidebar-link">Data Structures in C++</a></li><li><a href="/cpp/templates.html" class="sidebar-link">Templates</a></li><li><a href="/cpp/expression-templates.html" class="sidebar-link">Expression templates</a></li><li><a href="/cpp/curiously-recurring-template-pattern-crtp.html" class="sidebar-link">Curiously Recurring Template Pattern (CRTP)</a></li><li><a href="/cpp/threading.html" class="sidebar-link">Threading</a></li><li><a href="/cpp/thread-synchronization-structures.html" class="sidebar-link">Thread synchronization structures</a></li><li><a href="/cpp/the-rule-of-three-five-and-zero.html" class="sidebar-link">The Rule of Three, Five, And Zero</a></li><li><a href="/cpp/raii-resource-acquisition-is-initialization.html" class="sidebar-link">RAII: Resource Acquisition Is Initialization</a></li><li><a href="/cpp/rtti-run-time-type-information.html" class="sidebar-link">RTTI: Run-Time Type Information</a></li><li><a href="/cpp/mutexes.html" class="sidebar-link">Mutexes</a></li><li><a href="/cpp/recursive-mutex.html" class="sidebar-link">Recursive Mutex</a></li><li><a href="/cpp/semaphore.html" class="sidebar-link">Semaphore</a></li><li><a href="/cpp/futures-and-promises.html" class="sidebar-link">Futures and Promises</a></li><li><a href="/cpp/atomic-types.html" class="sidebar-link">Atomic Types</a></li><li><a href="/cpp/type-erasure.html" class="sidebar-link">Type Erasure</a></li><li><a href="/cpp/explicit-type-conversions.html" class="sidebar-link">Explicit type conversions</a></li><li><a href="/cpp/unnamed-types.html" class="sidebar-link">Unnamed types</a></li><li><a href="/cpp/type-traits.html" class="sidebar-link">Type Traits</a></li><li><a href="/cpp/return-type-covariance.html" class="sidebar-link">Return Type Covariance</a></li><li><a href="/cpp/layout-of-object-types.html" class="sidebar-link">Layout of object types</a></li><li><a href="/cpp/type-inference.html" class="sidebar-link">Type Inference</a></li><li><a href="/cpp/typedef-and-type-aliases.html" class="sidebar-link">Typedef and type aliases</a></li><li><a href="/cpp/type-deduction.html" class="sidebar-link">type deduction</a></li><li><a href="/cpp/trailing-return-type.html" class="sidebar-link">Trailing return type</a></li><li><a href="/cpp/alignment.html" class="sidebar-link">Alignment</a></li><li><a href="/cpp/perfect-forwarding.html" class="sidebar-link">Perfect Forwarding</a></li><li><a href="/cpp/decltype.html" class="sidebar-link">decltype</a></li><li><a href="/cpp/sfinae-substitution-failure-is-not-an-error.html" class="sidebar-link">SFINAE (Substitution Failure Is Not An Error)</a></li><li><a href="/cpp/undefined-behavior.html" class="sidebar-link">Undefined Behavior</a></li><li><a href="/cpp/overload-resolution.html" class="sidebar-link">Overload resolution</a></li><li><a href="/cpp/move-semantics.html" class="sidebar-link">Move Semantics</a></li><li><a href="/cpp/pimpl-idiom.html" class="sidebar-link">Pimpl Idiom</a></li><li><a href="/cpp/auto.html" class="sidebar-link">auto</a></li><li><a href="/cpp/copy-elision.html" class="sidebar-link">Copy Elision</a></li><li><a href="/cpp/fold-expressions.html" class="sidebar-link">Fold Expressions</a></li><li><a href="/cpp/unions.html" class="sidebar-link">Unions</a></li><li><a href="/cpp/design-pattern-implementation-in-c.html" class="sidebar-link">Design pattern implementation in C++</a></li><li><a href="/cpp/singleton-design-pattern.html" class="sidebar-link">Singleton Design Pattern</a></li><li><a href="/cpp/user-defined-literals.html" class="sidebar-link">User-Defined Literals</a></li><li><a href="/cpp/memory-management.html" class="sidebar-link">Memory management</a></li><li><a href="/cpp/c-11-memory-model.html" class="sidebar-link">C++11 Memory Model</a></li><li><a href="/cpp/scopes.html" class="sidebar-link">Scopes</a></li><li><a href="/cpp/static-assert.html" class="sidebar-link">static_assert</a></li><li><a href="/cpp/constexpr.html" class="sidebar-link">constexpr</a></li><li><a href="/cpp/one-definition-rule-odr.html" class="sidebar-link">One Definition Rule (ODR)</a></li><li><a href="/cpp/unspecified-behavior.html" class="sidebar-link">Unspecified behavior</a></li><li><a href="/cpp/argument-dependent-name-lookup.html" class="sidebar-link">Argument Dependent Name Lookup</a></li><li><a href="/cpp/attributes.html" class="sidebar-link">Attributes</a></li><li><a href="/cpp/recursion-in-c.html" class="sidebar-link">Recursion in C++</a></li><li><a href="/cpp/arithmitic-metaprogramming.html" class="sidebar-link">Arithmitic Metaprogramming</a></li><li><a href="/cpp/callable-objects.html" class="sidebar-link">Callable Objects</a></li><li><a href="/cpp/client-server-examples.html" class="sidebar-link">Client server examples</a></li><li><a href="/cpp/const-correctness.html" class="sidebar-link">Const Correctness</a></li><li><a href="/cpp/parameter-packs.html" class="sidebar-link">Parameter packs</a></li><li><a href="/cpp/build-systems.html" class="sidebar-link">Build Systems</a></li><li><a href="/cpp/concurrency-with-openmp.html" class="sidebar-link">Concurrency With OpenMP</a></li><li><a href="/cpp/resource-management.html" class="sidebar-link">Resource Management</a></li><li><a href="/cpp/storage-class-specifiers.html" class="sidebar-link">Storage class specifiers</a></li><li><a href="/cpp/linkage-specifications.html" class="sidebar-link">Linkage specifications</a></li><li><a href="/cpp/digit-separators.html" class="sidebar-link">Digit separators</a></li><li><a href="/cpp/c-incompatibilities.html" class="sidebar-link">C incompatibilities</a></li><li><a href="/cpp/side-by-side-comparisons-of-classic-c-examples-solved-via-c-vs-c-11-vs-c-14-vs-c-17.html" class="sidebar-link">Side by Side Comparisons of classic C++ examples solved via C++ vs C++11 vs C++14 vs C++17</a></li><li><a href="/cpp/compiling-and-building.html" class="sidebar-link">Compiling and Building</a></li><li><a href="/cpp/common-compile-linker-errors-gcc.html" class="sidebar-link">Common compile/linker errors (GCC)</a></li><li><a href="/cpp/more-undefined-behaviors-in-c.html" class="sidebar-link">More undefined behaviors in C++</a></li><li><a href="/cpp/unit-testing-in-c.html" class="sidebar-link">Unit Testing in C++</a></li><li><a href="/cpp/c-debugging-and-debug-prevention-tools-techniques.html" class="sidebar-link">C++ Debugging and Debug-prevention Tools & Techniques</a></li><li><a href="/cpp/optimization-in-c.html" class="sidebar-link">Optimization in C++</a></li><li><a href="/cpp/optimization.html" class="sidebar-link">Optimization</a></li><li><a href="/cpp/profiling.html" class="sidebar-link">Profiling</a></li><li><a href="/cpp/refactoring-techniques.html" class="sidebar-link">Refactoring Techniques</a></li><li><a href="/cpp/internationalization-in-c.html" class="sidebar-link">Internationalization in C++</a></li><li><a href="/cpp/contributors.html" class="sidebar-link">The Contributors</a></li></ul></section></li></ul> </aside> <main class="page"> <div class="theme-default-content content__default"><h1 id="function-template-overloading"><a href="#function-template-overloading" class="header-anchor">#</a> Function Template Overloading</h1> <h2 id="what-is-a-valid-function-template-overloading"><a href="#what-is-a-valid-function-template-overloading" class="header-anchor">#</a> What is a valid function template overloading?</h2> <p>A function template can be overloaded under the rules for non-template function overloading (same name, but different parameter types) and in addition to that, the overloading is valid if</p> <ul><li>The return type is different, or</li> <li>The template parameter list is different, except for the naming of parameters and the presence of default arguments (they are not part of the signature)</li></ul> <p>For a normal function, comparing two parameter types is is easy for the compiler, since it has all informat. But a type within a template may not be determined yet. Therefore, the rule for when two parameter types are equal is approximative here and says that the non-depependend types and values need to match and the spelling of dependent types and expressions needs to be the same (more precisely, they need to conform to the so-called ODR-rules), except that template parameters may be renamed. However, if under such different spellings, two values within the types are deemed different, but will always instantiate to the same values, the overloading is invalid, but no diagnostic is required from the compiler.</p> <div class="language-cpp extra-class"><pre class="language-cpp"><code><span class="token keyword">template</span><span class="token operator"><</span><span class="token keyword">typename</span> <span class="token class-name">T</span><span class="token operator">></span>
<span class="token keyword">void</span> <span class="token function">f</span><span class="token punctuation">(</span>T<span class="token operator">*</span><span class="token punctuation">)</span> <span class="token punctuation">{</span> <span class="token punctuation">}</span>
<span class="token keyword">template</span><span class="token operator"><</span><span class="token keyword">typename</span> <span class="token class-name">T</span><span class="token operator">></span>
<span class="token keyword">void</span> <span class="token function">f</span><span class="token punctuation">(</span>T<span class="token punctuation">)</span> <span class="token punctuation">{</span> <span class="token punctuation">}</span>
</code></pre></div><p>This is a valid overload, as "T" and "T*" are different spellings. But the following is invalid, with no diagnostic required</p> <div class="language-cpp extra-class"><pre class="language-cpp"><code><span class="token keyword">template</span><span class="token operator"><</span><span class="token keyword">typename</span> <span class="token class-name">T</span><span class="token operator">></span>
<span class="token keyword">void</span> <span class="token function">f</span><span class="token punctuation">(</span><span class="token function">T</span> <span class="token punctuation">(</span><span class="token operator">*</span>x<span class="token punctuation">)</span><span class="token punctuation">[</span><span class="token keyword">sizeof</span><span class="token punctuation">(</span>T<span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token keyword">sizeof</span><span class="token punctuation">(</span>T<span class="token punctuation">)</span><span class="token punctuation">]</span><span class="token punctuation">)</span> <span class="token punctuation">{</span> <span class="token punctuation">}</span>
<span class="token keyword">template</span><span class="token operator"><</span><span class="token keyword">typename</span> <span class="token class-name">T</span><span class="token operator">></span>
<span class="token keyword">void</span> <span class="token function">f</span><span class="token punctuation">(</span><span class="token function">T</span> <span class="token punctuation">(</span><span class="token operator">*</span>x<span class="token punctuation">)</span><span class="token punctuation">[</span><span class="token number">2</span> <span class="token operator">*</span> <span class="token keyword">sizeof</span><span class="token punctuation">(</span>T<span class="token punctuation">)</span><span class="token punctuation">]</span><span class="token punctuation">)</span> <span class="token punctuation">{</span> <span class="token punctuation">}</span>
</code></pre></div><h4 id="remarks"><a href="#remarks" class="header-anchor">#</a> Remarks</h4> <ul><li>A normal function is never related to a function template, despite same name, same type.</li> <li>A normal function call and a generated function template call are different even if they share the same name, same return type and same argument list</li></ul></div> <footer class="page-edit"><div class="edit-link"><a href="https://github.com/devtut/generate/edit/master/docs/cpp/function-template-overloading.md" target="_blank" rel="noopener noreferrer">Edit this page on GitHub</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div> <!----></footer> <div class="page-nav"><p class="inner"><span class="prev">
←
<a href="/cpp/operator-overloading.html" class="prev">
Operator Overloading
</a></span> <span class="next"><a href="/cpp/virtual-member-functions.html">
Virtual Member Functions
</a>
→
</span></p></div> </main></div><div class="global-ui"><!----></div></div>
<script src="/assets/js/app.1779e102.js" defer></script><script src="/assets/js/3.2cfa8016.js" defer></script><script src="/assets/js/658.ac2321f5.js" defer></script>
</body>
</html>