.hppFrom the SWH-MSR-ARV dataset (Desmazières, Di Cosmo, Lorentz, MSR 2025; file nb_extensions_alphanum.csv) — one row per (ext, year) in the full SWH archive. Case-aggregated. citation.
Case variants in archive: .hpp (32.3M), .HPP (7.6K), .Hpp (101), .hPP (22), .hPp (14), .hpP (2) — aggregated above.
This extension is attributed to C++ as primary by 1 authoritative claim.
.hpp among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| C++ | wikidata | primary |
| C++ | linguist | secondary |
| C++ | pygments | secondary |
| cpp | pygments | secondary |
.hpp on Wikidata
(property P1195) or in the Wikipedia infobox.
Source: data/derived/external_extension_index.csv.
Click Use as new PL on any row to open the
Add-PL form pre-filled with that entry's name, Wikipedia/Wikidata
URL, and this extension — one submission creates the PL + claim.
| Format | Class (Wikidata P31) | Suggested label | MIME | Notes | Action |
|---|---|---|---|---|---|
| header file Q877809 file containing source code with declarations to be textually substituted by users | — | — | — | Use as new PL ↗ | |
| C header file Q29642901 file format | file format | — | — | — | Use as new PL ↗ |
| C++ header Q13039854 file format | file format | — | — | — | Use as new PL ↗ |