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callcount

github.com/stretchr/testify/require.Assertions.Len

third-party

The 2357th most-called third-party method by production calls. Called 3,591 times across 43 modules; 267 of those run outside tests and generated code.

No change in production calls since 2026-W39.

All of github.com/stretchr/testify/require → Docs on pkg.go.dev ↗

prod calls
267
non-test, non-generated
all calls
3,591
total callsites
modules
43
distinct callers
in loop
1%
of prod calls
in tests
93%
3,324 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 method56%A method on a value whose type is known exactly.
  • Embedded method44%Reached through an embedded type.

who calls this

Notable callers

Production calls into Assertions.Len from notable Go projects. Open one on the map to see what else it hammers.

where it's called

Callsites in the wild

12 representative callsites of 3,591, prioritizing in-loop and non-test usage. We link to source, never display it.

top callers

The modules that reach for it

The modules that call Assertions.Len most in this snapshot.

  • go.temporal.io/server87624%
  • github.com/temporalio/temporal59116%
  • github.com/hashicorp/waypoint3058%
  • github.com/adshao/go-binance/v22687%
  • github.com/hashicorp/boundary2006%

siblings

More from github.com/stretchr/testify/require

The other most-called members in this package. See all →