Can you do what you want just by building a number of template.FuncMap
values, and then to use them the user just calls
t.Funcs(module1.FuncMap).Funcs(module2.FuncMap), adding the function maps
they want that way?
I don't think you need your own custom version of the Template type.
On Sun, Jul 9, 2017 at 8:15 PM Tong Sun <suntong...@gmail.com> wrote:
> Thanks Matt.
>
> What I'm trying to do is to modulelize customized Go template functions,
> say one module provide advanced regexp support, while another one
> specialized in text formatting (vertical aligning, text folding in column,
> etc), so on and so forth, *each of the module has a collection of their
> own customized template functions*.
>
> The goal is to define such modules separately, as a building block,
> provide them as libraries, and the end user can pick and choose what what,
> and chain the customized template functions together using a series of
> `.Funcs` calls.
>
> That's what I had in mind. Hope that I've express it clear enough. Thx.
>
>
> On Sun, Jul 9, 2017 at 10:20 PM, Matt Harden <matt.har...@gmail.com>
> wrote:
>
>> Why are you trying to do that? It feels like you're trying to do
>> object-oriented programming in Go. Don't do that. What are you trying to
>> achieve that the *template.Template type doesn't allow?
>>
>> If you just want a template with a FuncMap already applied, write a
>> function to do that:
>>
>> func MyTemplate(name string) *template.Template {
>> return template.New(name).Funcs(map[string]interface{}{"title":
>> strings.Title})
>> }
>>
>>
>> On Thu, Jul 6, 2017 at 8:01 PM Tong Sun <suntong...@gmail.com> wrote:
>>
>>> I'm trying my best to make the following Go template FuncMap example
>>> works:
>>>
>>> https://play.golang.org/p/1-JYseLBUF
>>>
>>> If I comment out line 55, 56 and un-comment line 54, it works just fine.
>>>
>>> What I was trying to do is to un-comment line 31, and use DefaultFuncs()
>>> or something alike to replace line 54. I.e., I'm trying to wrap
>>> the myFuncMap into a callable function.
>>>
>>> How can I do that? Thx
>>>
>>>
>
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