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Merge pull request #154 from AlexanderLill/patch-1

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Improve readability of requirements
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Amy J. Ko 2023-09-26 11:44:25 -07:00 committed by GitHub
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chapters/requirements.bd
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@ -16,12 +16,12 @@ There are some approaches to specifying requirements _formally_. These technique
Expressing requirements in natural language can mitigate these effects, at the expense of precision. They just have to be *complete*, *precise*, *non-conflicting*, and *verifiable*. For example, consider a design for a simple to do list application. Its requirements might be something like the following: Expressing requirements in natural language can mitigate these effects, at the expense of precision. They just have to be *complete*, *precise*, *non-conflicting*, and *verifiable*. For example, consider a design for a simple to do list application. Its requirements might be something like the following:
* Users must be able to add to do list items with a single action. * Users must be able to add to-do list items with a single action.
* To do list items must consist of text and a binary completed state. * To-do list items must contain text and a binary completed state.
* Users must be able to edit to do list item text. * Users must be able to edit the text of to-do list items.
* Users must be able to toggle the completed state. * Users must be able to toggle the completed state of to-do list items.
* Users must be able to delete to do list items. * Users must be able to delete to-do list items.
* All edits to do list item state must save without user intervention. * All changes made to the state of to-do list items must be saved automatically without user intervention.
Let's review these requirements against the criteria for good requirements that I listed above: Let's review these requirements against the criteria for good requirements that I listed above: