Scala
fromMedium
1 month agoFolding in Traceability
Record immutable facts about system decisions and compute results using pure functions like foldLeft to create auditable, reproducible totals in enterprise commerce.
Retail point-of-sale systems today offer a wide range of options for peripherals and hardware. Their technical specifications play a major role in selection, and big retailers often choose multiple vendors to reduce a single point of failure. This gives them an advantage to negotiate price or support as well. Technically, these peripherals also require updating with new models and may have new feature sets. This necessitates the redevelopment of point-of-sale applications, increasing development costs.