reflect.MapIter.Key
standard libraryThe 4523rd most-called standard-library method by production calls. Called 158 times across 82 modules; 136 of those run outside tests and generated code.
1% in production calls vs 2026-W39 (134 → 136)
- prod calls
- 136
- non-test, non-generated
- all calls
- 158
- total callsites
- modules
- 82
- distinct callers
- in loop
- 96%
- of prod calls
- in tests
- 13%
- 21 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 MapIter.Key from notable Go projects. Open one on the map to see what else it hammers.
- Kubernetes 7 5%
- Protocol Buffers 6 4%
- Cilium 2 1%
- Grafana 2 1%
- Hugo 2 1%
where it's called
Callsites in the wild
12 representative callsites of 158, prioritizing in-loop and non-test usage. We link to source, never display it.
- in loop
- in loop
-
docker/cli @v29.8.1+incompatible
in loop -
encr.dev @v1.58.6
v2/codegen/internal/genutil/types.go:191
in loop -
cli/cli @v1.14.0
in loop - in loop
- in loop
- in loop
- in loop
-
anchore/fangs @v0.1.1
in loop - in loop
- in loop
top callers
The modules that reach for it
The modules that call MapIter.Key most in this snapshot.
- github.com/anthropics/anthropic-sdk-go74%
- github.com/openai/openai-go/v374%
- github.com/tinygo-org/tinygo74%
- google.golang.org/protobuf74%
- github.com/temporalio/temporal53%
siblings
More from reflect
The other most-called members in this package. See all →