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option.go
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option.go
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/*
*
* Copyright 2021 chenquan
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package xstream
// Options defines the struct to customize a Stream.
type Options struct {
workSize int
}
// Option defines the method to customize a Stream.
type Option func(options *Options)
// loadOptions return a Options
func loadOptions(options ...Option) *Options {
op := new(Options)
for _, option := range options {
option(op)
}
// set the default pool size
if op.workSize <= 0 {
op.workSize = 1
}
return op
}
// WithOption return a Option interface
func WithOption(options *Options) Option {
return func(ops *Options) {
*ops = *options
}
}
// WithWorkSize return a Option that set size of work
func WithWorkSize(size int) Option {
return func(options *Options) {
options.workSize = size
}
}