7 Matching Annotations
- Feb 2021
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trailblazer.to trailblazer.to
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Each step receives the return value of its predecessor. The return value decides about what next step is called.
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While you could program this little piece of logic and flow yourself using a bunch of Ruby methods along with a considerable amount of ifs and elses, and maybe elsif, if you’re feeling fancy, a Trailblazer activity provides you a simple API for creating such flow without having to write and maintain any control code. It is an abstraction.
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en.wikipedia.org en.wikipedia.org
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found that using only the Pascal-provided control structures, the correct solution was given by only 20% of the subjects, while no subject wrote incorrect code for this problem if allowed to write a return from the middle of a loop.
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www.morozov.is www.morozov.is
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Better control over flow of our application: more ways to add branching
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The DSL has a weaker control over the program’s flow — we can’t have conditions unless we add a special step
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- Oct 2020
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en.wikipedia.org en.wikipedia.org
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Here, when x is a Boolean value then the section tag acts like an if conditional, but when x is an array then it acts like a foreach loop.
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