io/fs.File.Close
standard libraryThe 2297th most-called standard-library method by production calls. Called 354 times across 83 modules; 275 of those run outside tests and generated code.
0% in production calls vs 2026-W39 (274 → 275)
- prod calls
- 275
- non-test, non-generated
- all calls
- 354
- total callsites
- modules
- 83
- distinct callers
- in loop
- 12%
- of prod calls
- in tests
- 22%
- 79 calls
- resolved
- 0%
- to a known target
resolution mix
How each call resolves
How each call was attributed. Only resolved kinds, where the target function is known, count toward the ranking. Interface dispatch and unresolved receivers are reported separately and never guessed. Read the taxonomy →
- Interface method100%Called through an interface. The runtime target may differ.
who calls this
Notable callers
Production calls into File.Close from notable Go projects. Open one on the map to see what else it hammers.
- containerd 13 5%
- HashiCorp 11 4%
- Gitea 9 3%
- MinIO 7 3%
- Istio 6 2%
where it's called
Callsites in the wild
12 representative callsites of 354, prioritizing in-loop and non-test usage. We link to source, never display it.
- in loop
- in loop
-
gitea.dev @v1.27.3
modules/packages/nuget/symbol_extractor.go:68
in loop - in loop
-
alecthomas/chroma/v2 @v2.27.0
in loop - in loop
-
ory/x @v0.0.729
in loop -
stashapp/stash @v0.31.1
in loop -
valyala/fasthttp @v1.74.0
in loop - in loop
- in loop
- in loop
top callers
The modules that reach for it
The modules that call File.Close most in this snapshot.
- github.com/aquasecurity/trivy308%
- github.com/diskfs/go-diskfs247%
- github.com/navidrome/navidrome216%
- github.com/siderolabs/talos195%
- github.com/containerd/containerd/v2185%
siblings
More from io/fs
The other most-called members in this package. See all →