templates

How to access template variables in the script section of my HTML file in Google Apps Script?

99封情书 提交于 2020-03-25 19:15:13
问题 I need to access templated variables in the script section of my HTML file. Specifically, I need to use content.price . I can access content.price just fine in the templated section of the body of my HTML. This behaves as expected. <div class="container"> Price: $<?= content.price ?></td> <div id

How to access template variables in the script section of my HTML file in Google Apps Script?

守給你的承諾、 提交于 2020-03-25 19:13:11
问题 I need to access templated variables in the script section of my HTML file. Specifically, I need to use content.price . I can access content.price just fine in the templated section of the body of my HTML. This behaves as expected. <div class="container"> Price: $<?= content.price ?></td> <div id

Can I tell the C++ compiler how to do arbitrary type conversions itself?

落花浮王杯 提交于 2020-03-25 05:53:18
问题 This question is a follow-up of another question: How to realize automatic type conversion for template methods?. If a type conversion is needed within a template method, can I somehow tell the compiler how to do just that conversion itself? I know two possibilities to code the conversion:

Can I tell the C++ compiler how to do arbitrary type conversions itself?

℡╲_俬逩灬. 提交于 2020-03-25 05:53:14
问题 This question is a follow-up of another question: How to realize automatic type conversion for template methods?. If a type conversion is needed within a template method, can I somehow tell the compiler how to do just that conversion itself? I know two possibilities to code the conversion:

A template class in C++

老子叫甜甜 提交于 2020-03-18 05:36:24
问题 What is the function of the following C++ template class? I'm after line by line annotations: template<class T> string toString(const T& t, bool *ok = NULL) { ostringstream stream; stream << t; if(ok != NULL) *ok = stream.fail() == false; return stream.str(); } Is it like Java's toString() method

Why isn&#39;t std::function a valid template parameter while a function pointer is?

亡梦爱人 提交于 2020-03-17 08:02:39
问题 I have defined class template named CallBackAtInit which only purpose is to call a function at its initialization (constructor). The function is specified in template parameters. The problem is that templates does not accept std::function as parameters; but they accept function pointers. Why?

Templated requires-expression

南楼画角 提交于 2020-03-16 07:36:07
问题 I want a Functor concept in C++20. A functor is a higher-kinded type that can be mapped over. A simple example is std::optional ; with a function from type A to type B and a std::optional<A> , you can easily create a std::optional<B> by applying the function to the value if it exists and

Template Method within Template class definition does not match declaration

邮差的信 提交于 2020-03-16 06:52:10
问题 I have made a template class LinkedList of template class T and within this class, I want to implement a function enqueue that takes data of a general type D and calls the T constructor on with the data D as the parameter. This is the definition of my class: template<class T> struct Node { struct