FreshMarker

Partial Expression Reduction

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The FreshMarker template engine has the Partial Template Reduction feature. This makes it possible to create a new Template from an existing Template by adding an incomplete model. Some constructs are simplified in the new Template because the data from the incomplete model could be evaluated there. Until now, this could only be used in directives and interpolations, so why not use the mechanism in expressions as well?

In Search Of Performance (2)

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This article on performance was not actually intended to be a multi-part article. But if you take a closer look at your own code through performance glasses, you will quickly discover further bottlenecks. In this case, it’s an unclean modeling that FreshMarker has been carrying around since its early days. This article is about how this affects the performance of the template engine.

In Search Of Performance

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In addition to the expressiveness of the template, the number of supported data types and functions and the expandability, performance is a decisive criterion for a template engine. FreshMarker only evaluates the template output at runtime, so although the template engine is very flexible, it cannot compete with those that evaluate the templates at compile time. For historical reasons, FreshMarker also has no upfront type information about the data used, so some optimization options are not available.

Comparison operators for Strings

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FreshMarker allows you to overload a wide variety of operators for your own model types. These operators are multiplication, addition, negation and comparison operators. For strings, the addition operator + has so far been overloaded to realize a string concatenation. In this blog post, we want to implement comparison operators for strings.