strings.Builder.Len
standard libraryThe 832nd most-called standard-library method by production calls. Called 960 times across 243 modules; 854 of those run outside tests and generated code.
1% in production calls vs 2026-W39 (844 → 854)
- prod calls
- 854
- non-test, non-generated
- all calls
- 960
- total callsites
- modules
- 243
- distinct callers
- in loop
- 40%
- of prod calls
- in tests
- 11%
- 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 method99%A method on a value whose type is known exactly.
- Embedded method<1%Reached through an embedded type.
who calls this
Notable callers
Production calls into Builder.Len from notable Go projects. Open one on the map to see what else it hammers.
- Cilium 28 3%
- Grafana 26 3%
- CockroachDB 18 2%
- Kubernetes 13 2%
- Docker 7 <1%
where it's called
Callsites in the wild
12 representative callsites of 960, prioritizing in-loop and non-test usage. We link to source, never display it.
-
cilium/ebpf @v0.22.0
in loop - in loop
-
miekg/dns @v0.6.117
dnssec_keyscan.go:290
in loop - in loop
-
moby/buildkit @v0.33.0
in loop - in loop
-
gitea.dev @v1.27.3
modules/packages/debian/metadata.go:187
in loop - in loop
-
Mrs4s/MiraiGo @v0.0.0-20240226124653-54bdd873e3fe
in loop - in loop
- in loop
- in loop
top callers
The modules that reach for it
The modules that call Builder.Len most in this snapshot.
- github.com/esengine/DeepSeek-Reasonix748%
- github.com/microsoft/typescript-go485%
- github.com/infiniflow/ragflow455%
- github.com/Tencent/WeKnora404%
- github.com/bytebase/bytebase263%
siblings
More from strings
The other most-called members in this package. See all →