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www.foonathan.net
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| | | | | Just like regular function parameters, template parameters can also have default parameters. For class templates, this behaves mostly just like default function arguments: if you pass fewer template arguments than required, default template arguments are used to fill the remaining places. However, for function templates, it gets more complicated as template parameters for functions can be deduced by the normal function arguments. This leads to some interesting side-effects. In particular, default argumen... | |
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entangledlogs.com
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| | | | | Generic Programming: Generating part of programs Introduction Generic Programming: Programming with generic parameters to avoid unnecessary code duplication and encourage code reuse. Polymorphism is also another technique to solve code reuse Puts implicit constraints on the generic types that are to be fulfilled by concrete types. template T adder(T LHS, T RHS) { return LHS + RHS; } struct Foo { inv Val = 0; } Foo f = adder(Foo{}, Foo{}): In this code snippet, we assume that Foo meets the requirement tha... | |
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akrzemi1.wordpress.com
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| | | | | The language feature in C++17 known as class template argument deduction was intended to supersede factory functions like make_pair, make_tuple, make_optional, as described in p0091r2. This goal has not been fully achieved and we may still need to stick to make_ functions. In this post we will briefly describe what class template argument deduction is,... | |
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hackingcpp.com
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| | | A short introduction to pointers in C++. Syntax, semantics, 'const' pointers, 'this' pointer, forward declarations and some guidelines. | ||