Trulla 1.4.2

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Trulla Templates is like Handlebars or Mustache templates, but statically typed and safe!

C# Source Generator:

F# Type Provider:

The Trulla Approcah

• Provide a text template with:
  • template parameters
  • iterations
  • conditionals
• A model type is infered from a given template.
• An instance of the model is provided by the user for rendering the final template.

Examples and Usage

• C# usage via Source Generators: Go to the C# Documentation
• F# usage via Type Providers: Go to the F# Documentation

General Template Syntax

Have a look at the tests for more samples!

for loops (with separator)

• This will render 'abc' for given chars = ["a"; "b"; "c"]:

{{for c in chars}}{{c}}{{end}}

• With a given separator between items, this will render 'a;b;c' for given chars = ["a"; "b"; "c"]:

{{for x in numbers|;}}{{x.id}}{{end}}

if/else

• This will print "Order is active." or "Order is closed." depending on the value of order.isActive:
• The else part is optional.

Order is {{if order.isActive}}active{{else}}closed{{end}}.

How it works internals

Trulla is implemented in F#. It basically contains everything a "real" language has, like

• a parser
• an untyped AST
• type inference with a solver
• a typed AST
• code generation

If you want to know more, have a look at the (Internals)[./src/docs/Internals.md].