math/rand/v2.IntN
standard libraryThe 1790th most-called standard-library function by production calls. Called 1,200 times across 77 modules; 342 of those run outside tests and generated code.
- prod calls
- 342
- non-test, non-generated
- all calls
- 1,200
- total callsites
- modules
- 77
- distinct callers
- in loop
- 26%
- of prod calls
- in tests
- 72%
- 858 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 IntN from notable Go projects. Open one on the map to see what else it hammers.
- gRPC 14 4%
- Tailscale 9 3%
- Cilium 8 2%
- CockroachDB 2 <1%
- Istio 2 <1%
where it's called
Callsites in the wild
12 representative callsites of 1,200, prioritizing in-loop and non-test usage. We link to source, never display it.
- in loop
- in loop
-
miekg/dns @v0.6.90
cmd/atomdns/handlers/dbfile/setup.go:104
in loop -
filippo.io/age @v1.3.1
plugin/client.go:499
in loop -
89luca89/distrobox @v0.0.0-20260802152358-d34399f3da78
in loop - in loop
-
fatedier/frp @v0.70.1
in loop - in loop
- in loop
-
google/gvisor @v0.0.0-20260805052044-b67f1412986c
in loop - in loop
-
netbirdio/netbird @v0.76.1
management/internals/modules/reverseproxy/service/manager/manager.go:437 ↗
in loop
top callers
The modules that reach for it
The modules that call IntN most in this snapshot.
- vitess.io/vitess28924%
- github.com/vitessio/vitess28524%
- github.com/cockroachdb/pebble/v2706%
- github.com/apernet/quic-go635%
- github.com/lucas-clemente/quic-go635%
siblings
More from math/rand/v2
The other most-called functions in this package. See all →