reflect.Type.Len
standard libraryThe 5522nd most-called standard-library method by production calls. Called 120 times across 42 modules; 107 of those run outside tests and generated code.
- prod calls
- 107
- non-test, non-generated
- all calls
- 120
- total callsites
- modules
- 42
- distinct callers
- in loop
- 18%
- of prod calls
- in tests
- 11%
- 13 calls
- resolved
- 0%
- 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 →
- Interface method100%Called through an interface. The runtime target may differ.
who calls this
Notable callers
Production calls into Type.Len from notable Go projects. Open one on the map to see what else it hammers.
- Tailscale 5 5%
- Go (golang.org/x) 4 4%
- ClickHouse 3 3%
- Kubernetes 3 3%
- Uber Go 3 3%
where it's called
Callsites in the wild
12 representative callsites of 120, prioritizing in-loop and non-test usage. We link to source, never display it.
- in loop
-
lib/pq @v1.12.3
in loop -
milvus-io/milvus/client/v2 @v2.6.5
row/schema.go:114
in loop - in loop
-
x/crypto @v0.54.0
ssh/messages.go:448
in loop - in loop
-
tailscale.com @v1.102.2
tempfork/sshtest/ssh/messages.go:439
in loop - in loop
-
x/crypto @v0.54.0
ssh/messages.go:451
in loop - in loop
-
tailscale.com @v1.102.2
tempfork/sshtest/ssh/messages.go:442
in loop - in loop
top callers
The modules that reach for it
The modules that call Type.Len most in this snapshot.
- github.com/ugorji/go/codec2017%
- github.com/google/gvisor98%
- github.com/parquet-go/parquet-go76%
- github.com/tinygo-org/tinygo65%
- github.com/sagernet/tailscale54%
siblings
More from reflect
The other most-called members in this package. See all →