How to structure a single page template so that one can continue the document after the show function?

Questions
4

Here’s the step by step from regular configuration to a template/style function

// in the document
#set text(size: 12pt)

// rest of document here

// in the document 
#show: doc => {
  set text(size: 12pt)
  doc
}

// rest of document here

// in the document 
#let my-template(doc) = {
  set text(size: 12pt)
  doc
}
#show: my-template

// rest of document here
  1. Move the function to a different file

template.typ

#let my-template(doc) = {
  set text(size: 12pt)
  doc
}

main.typ

#import "template.typ": my-template
#show: my-template

// rest of document here

It’s no wonder it’s confusing for those not used to it (and I wasn’t used to it until using it for a while…) it sort of turns function calling inside out doesn’t it? That’s why it’s not invoked using regular function call syntax, but you use show. show is “take all the following document and give as a parameter to the function”.

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