io.PipeReader.Close
standard libraryThe 4100th most-called standard-library method by production calls. Called 255 times across 108 modules; 149 of those run outside tests and generated code.
No change in production calls since 2026-W39.
- prod calls
- 149
- non-test, non-generated
- all calls
- 255
- total callsites
- modules
- 108
- distinct callers
- in loop
- 5%
- of prod calls
- in tests
- 42%
- 106 calls
- resolved
- 100%
- 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 →
- Concrete method100%A method on a value whose type is known exactly.
who calls this
Notable callers
Production calls into PipeReader.Close from notable Go projects. Open one on the map to see what else it hammers.
- Docker 8 5%
- KubeVirt 6 4%
- containerd 5 3%
- Gitea 5 3%
- Vault 4 3%
where it's called
Callsites in the wild
12 representative callsites of 255, prioritizing in-loop and non-test usage. We link to source, never display it.
-
cockroachdb/cockroach @v19.2.12+incompatible
in loop - in loop
- in loop
-
seaweedfs/seaweedfs @v0.0.0-20260928104011-150a69fe11f4
in loop - in loop
-
seaweedfs/seaweedfs @v0.0.0-20260928104011-150a69fe11f4
in loop -
seaweedfs/seaweedfs @v0.0.0-20260928104011-150a69fe11f4
in loop -
seaweedfs/seaweedfs @v0.0.0-20260928104011-150a69fe11f4
in loop - in loop test
-
docker/cli @v29.8.1+incompatible
in loop test -
mvdan/sh @v2.6.4+incompatible
in loop test - in loop test
top callers
The modules that reach for it
The modules that call PipeReader.Close most in this snapshot.
- github.com/docker/docker114%
- github.com/moby/buildkit114%
- github.com/moby/moby114%
- github.com/podman-container-tools/buildah114%
- github.com/kubevirt/kubevirt83%
siblings
More from io
The other most-called members in this package. See all →