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google.golang.org/protobuf/reflect/protoreflect.MessageDescriptor.Fields

third-party

The 1615th most-called third-party method by production calls. Called 869 times across 34 modules; 392 of those run outside tests and generated code.

165% in production calls vs 2026-W39 (148 → 392)

All of google.golang.org/protobuf/reflect/protoreflect → Docs on pkg.go.dev ↗

prod calls
392
non-test, non-generated
all calls
869
total callsites
modules
34
distinct callers
in loop
12%
of prod calls
in tests
55%
475 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 MessageDescriptor.Fields 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 869, prioritizing in-loop and non-test usage. We link to source, never display it.

MessageDescriptor.Fields · 12 of 869 callsites

top callers

The modules that reach for it

The modules that call MessageDescriptor.Fields most in this snapshot.

  • google.golang.org/protobuf32838%
  • buf.build/go/protovalidate16119%
  • github.com/jhump/protoreflect/v2718%
  • github.com/bufbuild/buf556%
  • github.com/bytebase/bytebase475%

siblings

More from google.golang.org/protobuf/reflect/protoreflect

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