Update dependencies (#5518)
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156
vendor/go.uber.org/zap/array_go118.go
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156
vendor/go.uber.org/zap/array_go118.go
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// Copyright (c) 2022 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//go:build go1.18
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// +build go1.18
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package zap
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import (
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"fmt"
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"go.uber.org/zap/zapcore"
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)
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// Objects constructs a field with the given key, holding a list of the
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// provided objects that can be marshaled by Zap.
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//
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// Note that these objects must implement zapcore.ObjectMarshaler directly.
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// That is, if you're trying to marshal a []Request, the MarshalLogObject
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// method must be declared on the Request type, not its pointer (*Request).
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// If it's on the pointer, use ObjectValues.
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//
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// Given an object that implements MarshalLogObject on the value receiver, you
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// can log a slice of those objects with Objects like so:
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//
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// type Author struct{ ... }
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// func (a Author) MarshalLogObject(enc zapcore.ObjectEncoder) error
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//
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// var authors []Author = ...
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// logger.Info("loading article", zap.Objects("authors", authors))
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//
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// Similarly, given a type that implements MarshalLogObject on its pointer
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// receiver, you can log a slice of pointers to that object with Objects like
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// so:
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//
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// type Request struct{ ... }
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// func (r *Request) MarshalLogObject(enc zapcore.ObjectEncoder) error
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//
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// var requests []*Request = ...
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// logger.Info("sending requests", zap.Objects("requests", requests))
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//
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// If instead, you have a slice of values of such an object, use the
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// ObjectValues constructor.
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//
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// var requests []Request = ...
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// logger.Info("sending requests", zap.ObjectValues("requests", requests))
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func Objects[T zapcore.ObjectMarshaler](key string, values []T) Field {
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return Array(key, objects[T](values))
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}
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type objects[T zapcore.ObjectMarshaler] []T
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func (os objects[T]) MarshalLogArray(arr zapcore.ArrayEncoder) error {
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for _, o := range os {
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if err := arr.AppendObject(o); err != nil {
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return err
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}
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}
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return nil
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}
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// ObjectMarshalerPtr is a constraint that specifies that the given type
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// implements zapcore.ObjectMarshaler on a pointer receiver.
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type ObjectMarshalerPtr[T any] interface {
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*T
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zapcore.ObjectMarshaler
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}
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// ObjectValues constructs a field with the given key, holding a list of the
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// provided objects, where pointers to these objects can be marshaled by Zap.
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//
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// Note that pointers to these objects must implement zapcore.ObjectMarshaler.
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// That is, if you're trying to marshal a []Request, the MarshalLogObject
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// method must be declared on the *Request type, not the value (Request).
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// If it's on the value, use Objects.
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//
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// Given an object that implements MarshalLogObject on the pointer receiver,
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// you can log a slice of those objects with ObjectValues like so:
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//
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// type Request struct{ ... }
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// func (r *Request) MarshalLogObject(enc zapcore.ObjectEncoder) error
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//
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// var requests []Request = ...
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// logger.Info("sending requests", zap.ObjectValues("requests", requests))
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//
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// If instead, you have a slice of pointers of such an object, use the Objects
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// field constructor.
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//
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// var requests []*Request = ...
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// logger.Info("sending requests", zap.Objects("requests", requests))
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func ObjectValues[T any, P ObjectMarshalerPtr[T]](key string, values []T) Field {
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return Array(key, objectValues[T, P](values))
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}
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type objectValues[T any, P ObjectMarshalerPtr[T]] []T
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func (os objectValues[T, P]) MarshalLogArray(arr zapcore.ArrayEncoder) error {
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for i := range os {
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// It is necessary for us to explicitly reference the "P" type.
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// We cannot simply pass "&os[i]" to AppendObject because its type
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// is "*T", which the type system does not consider as
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// implementing ObjectMarshaler.
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// Only the type "P" satisfies ObjectMarshaler, which we have
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// to convert "*T" to explicitly.
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var p P = &os[i]
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if err := arr.AppendObject(p); err != nil {
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return err
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}
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}
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return nil
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}
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// Stringers constructs a field with the given key, holding a list of the
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// output provided by the value's String method
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//
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// Given an object that implements String on the value receiver, you
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// can log a slice of those objects with Objects like so:
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//
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// type Request struct{ ... }
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// func (a Request) String() string
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//
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// var requests []Request = ...
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// logger.Info("sending requests", zap.Stringers("requests", requests))
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//
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// Note that these objects must implement fmt.Stringer directly.
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// That is, if you're trying to marshal a []Request, the String method
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// must be declared on the Request type, not its pointer (*Request).
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func Stringers[T fmt.Stringer](key string, values []T) Field {
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return Array(key, stringers[T](values))
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}
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type stringers[T fmt.Stringer] []T
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func (os stringers[T]) MarshalLogArray(arr zapcore.ArrayEncoder) error {
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for _, o := range os {
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arr.AppendString(o.String())
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}
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return nil
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}
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