io/fs.FileMode.IsRegular
standard libraryThe 816th most-called standard-library method by production calls. Called 973 times across 226 modules; 871 of those run outside tests and generated code.
3% in production calls vs 2026-W39 (848 → 871)
- prod calls
- 871
- non-test, non-generated
- all calls
- 973
- total callsites
- modules
- 226
- distinct callers
- in loop
- 27%
- of prod calls
- in tests
- 10%
- 102 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 FileMode.IsRegular from notable Go projects. Open one on the map to see what else it hammers.
- Docker 29 3%
- Kubernetes 25 3%
- containerd 22 3%
- CockroachDB 13 1%
- Prometheus 13 1%
where it's called
Callsites in the wild
12 representative callsites of 973, 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
-
encr.dev @v1.58.6
pkg/dockerbuild/tarcopy.go:468
in loop - in loop
- in loop
-
gitea.dev @v1.27.3
models/migrations/v1_11/v115.go:63
in loop - in loop
- in loop
- in loop
- in loop
- in loop
top callers
The modules that reach for it
The modules that call FileMode.IsRegular most in this snapshot.
- github.com/esengine/DeepSeek-Reasonix12012%
- github.com/photoprism/photoprism273%
- github.com/larksuite/cli242%
- github.com/gastownhall/beads232%
- github.com/steveyegge/beads232%
siblings
More from io/fs
The other most-called members in this package. See all →