Constraint Rule Comparison

Global

Constraint Rule	Go	GoGo	C++	Java
disabled	✅	✅	✅	✅

Numerics

Constraint Rule	Go	GoGo	C++	Java
const	✅	✅	✅	✅
lt/lte/gt/gte	✅	✅	✅	✅
in/not_in	✅	✅	✅	✅

Bools

Constraint Rule	Go	GoGo	C++	Java
const	✅	✅	✅	✅

Strings

Constraint Rule	Go	GoGo	C++	Java
const	✅	✅	✅	✅
len/min_len/max_len	✅	✅	❌	✅
min_bytes/max_bytes	✅	✅	✅	✅
pattern	✅	✅	❌	✅
prefix/suffix/contains	✅	✅	✅	✅
in/not_in	✅	✅	✅	✅
email	✅	✅	❌	✅
hostname	✅	✅	❌	✅
ip	✅	✅	❌	✅
ipv4	✅	✅	❌	✅
ipv6	✅	✅	❌	✅
uri	✅	✅	✅	✅
uri_ref	✅	✅	✅	✅

Bytes

Constraint Rule	Go	GoGo	C++	Java
const	✅	✅	✅	✅
len/min_len/max_len	✅	✅	✅	✅
pattern	✅	✅	✅	✅
prefix/suffix/contains	✅	✅	✅	✅
in/not_in	✅	✅	✅	✅
ip	✅	✅	✅	✅
ipv4	✅	✅	✅	✅
ipv6	✅	✅	✅	✅

Enums

Constraint Rule	Go	GoGo	C++	Java
const	✅	✅	✅	✅
defined_only	✅	✅	✅	✅
in/not_in	✅	✅	✅	✅

Messages

Constraint Rule	Go	GoGo	C++	Java
skip	✅	✅	✅	✅
required	✅	✅	✅	✅

Repeated

Constraint Rule	Go	GoGo	C++	Java
min_items/max_items	✅	✅	✅	✅
unique	✅	✅	✅	✅
items	✅	✅	❌	✅

Maps

Constraint Rule	Go	GoGo	C++	Java
min_pairs/max_pairs	✅	✅	❌	✅
no_sparse	✅	✅	❌	❌
keys	✅	✅	❌	✅
values	✅	✅	❌	✅

OneOf

Constraint Rule	Go	GoGo	C++	Java
required	✅	✅	✅	✅

WKT Scalar Value Wrappers

Constraint Rule	Go	GoGo	C++	Java
wrapper validation	✅	✅	✅	✅

WKT Any

Constraint Rule	Go	GoGo	C++	Java
required	✅	✅	✅	✅
in/not_in	✅	✅	✅	✅

WKT Duration

Constraint Rule	Go	GoGo	C++	Java
required	✅	✅	✅	✅
const	✅	✅	✅	✅
lt/lte/gt/gte	✅	✅	✅	✅
in/not_in	✅	✅	✅	✅

WKT Timestamp

Constraint Rule	Go	GoGo	C++	Java
required	✅	✅	❌	✅
const	✅	✅	❌	✅
lt/lte/gt/gte	✅	✅	❌	✅
lt_now/gt_now	✅	✅	❌	✅
within	✅	✅	❌	✅