slices.ContainsFunc
standard libraryThe 889th most-called standard-library function by production calls. Called 1,090 times across 258 modules; 782 of those run outside tests and generated code.
3% in production calls vs 2026-W39 (758 → 782)
- prod calls
- 782
- non-test, non-generated
- all calls
- 1,090
- total callsites
- modules
- 258
- distinct callers
- in loop
- 30%
- of prod calls
- in tests
- 21%
- 229 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 →
- Package function100%A direct call to an exported package function, resolved by type.
who calls this
Notable callers
Production calls into ContainsFunc from notable Go projects. Open one on the map to see what else it hammers.
- Cilium 40 5%
- Kubernetes 28 4%
- Tailscale 20 3%
- Go (golang.org/x) 16 2%
- Traefik 15 2%
where it's called
Callsites in the wild
12 representative callsites of 1,090, prioritizing in-loop and non-test usage. We link to source, never display it.
- in loop
- in loop
-
moby/buildkit @v0.33.0
in loop - in loop
-
gitea.dev @v1.27.3
services/actions/commit_status.go:238
in loop -
89luca89/distrobox @v0.0.0-20260917150527-f60fb9d35ecf
in loop - in loop
- in loop
- in loop
-
anchore/syft @v1.52.0
in loop - in loop
-
aws/aws-sdk-go-v2/service/accessanalyzer @v1.57.1
auth.go:224
in loop
top callers
The modules that reach for it
The modules that call ContainsFunc most in this snapshot.
- github.com/cilium/cilium404%
- github.com/open-policy-agent/opa404%
- github.com/google/osv-scanner383%
- github.com/esengine/DeepSeek-Reasonix343%
- github.com/gruntwork-io/terragrunt333%
siblings
More from slices
The other most-called functions in this package. See all →