template-variables Questions

9

Solved

I am trying to get list of all variables and blocks in a template. I don't want to create my own parser to find variables. I tried using following snippet. from jinja2 import Environment, PackageL...
Gocart asked 24/11, 2011 at 17:5

8

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Python has a feature called template strings. >>> from string import Template >>> s = Template('$who likes $what') >>> s.substitute(who='tim', what='kung pao') 'tim like...
Ling asked 7/10, 2011 at 4:44

4

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Is there a way to use placeholders in YAML like this: foo: &FOO <<propname>>: type: number default: <<default>> bar: - *FOO propname: "some_prop" def...

4

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I have the following Python code (I'm using Python 2.7.X): my_csv = '{first},{middle},{last}' print( my_csv.format( first='John', last='Doe' ) ) I get a KeyError exception because 'middle' is no...
Haversine asked 13/6, 2012 at 20:15

5

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In Perl I can do something like the following: my $home = "/home"; my $alice = "$home/alice"; Can I do something like the following in YAML: Home: /home Alice: $Home/alice So "Alice" is effec...
Lyra asked 3/4, 2013 at 2:42

3

So yet another question in this saga. Guillaume Racicot has been good enough to provide me with yet another workaround so this is the code I'll be basing this question off of: struct vec { double...

1

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Guillaume Racicot gave an excellent answer to this question on how I could specialize template variables. But I'm having trouble in visual-studio-2017 with creating a templated array of function po...

1

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I want to declare something like this: template <typename T> constexpr enable_if_t<is_integral_v<T>, int[]> foo = { 1, 2 }; template <typename T> constexpr enable_if_t<...

1

Another question of type "who's right between g++ and clang++?" for C++ standard gurus. Suppose we want apply SFINAE to a variable template to enable the variable only if the template type fulfill...
Sunglass asked 10/2, 2018 at 13:56

2

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I am trying to substitute variables in the format {{var}} with Python's Template. from string import Template class CustomTemplate(Template): delimiter = '{{' pattern = r''' \{\{(?: (?P<esc...
Cheboksary asked 18/12, 2015 at 17:8

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A class can contain a member template variable which must be static: class B { public: template <typename X> static X var; B() { std::cout << "Create B " << __PRETTY_FUNCTI...

1

Is it possible in .yml config to have dynamic properties in variables that are set depending on a particular case. For example: MY_VAR: &MY_VAR keys: key2: blahblahblah key3: blahblahblah #...
Inspirit asked 18/6, 2015 at 1:32

1

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Consider the code below: #include <iostream> template<typename T> T n; int main() { n<int> = 42; std::cout << n<int> << std::endl; } It compiles and links...
Pyrotechnics asked 17/6, 2015 at 15:50
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