Preventing Backtracking with DCGs

[EricGT]

@brebs

A Minimal reproducible example

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Minimal and reproducible working examples

How to create a Minimal, Reproducible Example When asking for help with code that is not working, people will be better able to provide help if you provide code that they can easily understand and use to reproduce the problem. This is referred to by community members as creating a minimal, reproducible example ( reprex ), a minimal, complete and verifiable example ( mcve ), or a minimal, workable example ( mwe ). Regardless of how it’s communicated to you, it boils down to ensuring your code t…