.wast

2 claimants 1 primary 1 secondary unambiguous primary

SWH popularity

From 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.

41.1K
total occurrences
14.8K
since 2019 (36.1%)
1970–2023
years active

Attribution status

This extension is attributed to WebAssembly; WebAssembly as primary by 2 authoritative claims.

Authoritative sources: ✓ Linguist △ Pygments · secondary ✓ Wikidata · Q20155677 ✗ Wikipedia · no claim

Disagree or have a correction? Open a labelling issue.

Claimants (4)

Languages that list .wast among their extensions. Strength reflects whether the upstream source treated it as their primary extension.
LanguageSourceStrength
WebAssemblylinguistprimary
WebAssemblywikidataprimary
WATpygmentssecondary
WebAssemblypygmentssecondary

Wikidata says… (1)

File formats, image formats, audio codecs and other non-PL entities that claim .wast 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.
Right entry isn't listed? Add manually ↗
FormatClass (Wikidata P31)Suggested labelMIMENotesAction
WebAssembly text format Q111051396
file format
file formatUse as new PL ↗

SWH-mined examples (1)

Real archived programs with this extension, byte-verified against the SWH archive. Useful for deciding what this extension actually is when the attribution is uncertain.
return-int32.wast · 1269 B · seen 1× in SWH
predicted: WebAssembly via unique-primary
swh:1:cnt:bca1fd03b460feee90314f9d6c9f56cdeef50fe7;origin=https://github.com/johalun/rustkpi;anchor=swh:1:rev:dd2950397b0d12fdffe1a5692f65fe2c2e769e51;path=/rust/rust-src-1.25.0/src/binaryen/test/llvm_autogenerated/return-int32.wast
Open in SWH · Raw bytes
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