github.com/consensys/gnark-crypto@v0.14.0/ecc/bls12-377/fr/mimc/options.go (about)

     1  // Copyright 2020 Consensys Software Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // Code generated by consensys/gnark-crypto DO NOT EDIT
    16  
    17  package mimc
    18  
    19  import (
    20  	"github.com/consensys/gnark-crypto/ecc/bls12-377/fr"
    21  )
    22  
    23  // Option defines option for altering the behavior of the MiMC hasher.
    24  // See the descriptions of functions returning instances of this type for
    25  // particular options.
    26  type Option func(*mimcConfig)
    27  
    28  type mimcConfig struct {
    29  	byteOrder fr.ByteOrder
    30  }
    31  
    32  // default options
    33  func mimcOptions(opts ...Option) mimcConfig {
    34  	// apply options
    35  	opt := mimcConfig{
    36  		byteOrder: fr.BigEndian,
    37  	}
    38  	for _, option := range opts {
    39  		option(&opt)
    40  	}
    41  	return opt
    42  }
    43  
    44  // WithByteOrder sets the byte order used to decode the input
    45  // in the Write method. Default is BigEndian.
    46  func WithByteOrder(byteOrder fr.ByteOrder) Option {
    47  	return func(opt *mimcConfig) {
    48  		opt.byteOrder = byteOrder
    49  	}
    50  }