Chapter 14. Henney’s Hypothesis, or When Templates Attack!
Inconsistency imposes mental friction into a developer’s work. | ||
| --Scott Meyers | ||
Writing good template libraries in C++ is a delicate balance between exercising the considerable power afforded by template programming and making overly complex and undiscoverable interfaces that confound users. Kevlin Henney has suggested a relationship that captures the essence of this balance, which I call Henney’s Hypothesis.
Henney’s Hypothesis
For each additional [required] template parameter, the potential number of users is halved.
The “[required]” part is my own humble addition to the hypothesis. I think this is an important modification since it’s the number of template parameters a user is required ...
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