github.com/ledgerwatch/erigon-lib@v1.0.0/common/cmp/cmp.go (about)

     1  /*
     2     Copyright 2021 Erigon contributors
     3  
     4     Licensed under the Apache License, Version 2.0 (the "License");
     5     you may not use this file except in compliance with the License.
     6     You may obtain a copy of the License at
     7  
     8         http://www.apache.org/licenses/LICENSE-2.0
     9  
    10     Unless required by applicable law or agreed to in writing, software
    11     distributed under the License is distributed on an "AS IS" BASIS,
    12     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13     See the License for the specific language governing permissions and
    14     limitations under the License.
    15  */
    16  
    17  package cmp
    18  
    19  import (
    20  	"golang.org/x/exp/constraints"
    21  )
    22  
    23  // InRange - ensure val is in [min,max] range
    24  func InRange[T constraints.Ordered](min, max, val T) T {
    25  	if min >= val {
    26  		return min
    27  	}
    28  	if max <= val {
    29  		return max
    30  	}
    31  	return val
    32  }
    33  
    34  func Min[T constraints.Ordered](a, b T) T {
    35  	if a <= b {
    36  		return a
    37  	}
    38  	return b
    39  }
    40  
    41  func Max[T constraints.Ordered](a, b T) T {
    42  	if a >= b {
    43  		return a
    44  	}
    45  	return b
    46  }