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utils.go
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utils.go
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// Copyright (c) 2023 IBM Corp.
// All rights reserved.
//
// 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:https://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 number
import (
C "github.com/IBM/fp-go/constraints"
)
type Number interface {
C.Integer | C.Float | C.Complex
}
// Add is a curried function used to add two numbers
func Add[T Number](right T) func(T) T {
return func(left T) T {
return left + right
}
}
// Sub is a curried function used to subtract two numbers
func Sub[T Number](right T) func(T) T {
return func(left T) T {
return left - right
}
}
// Mul is a curried function used to multiply two numbers
func Mul[T Number](right T) func(T) T {
return func(left T) T {
return left * right
}
}
// Div is a curried function used to divide two numbers
func Div[T Number](right T) func(T) T {
return func(left T) T {
return left / right
}
}
// Inc is a function that increments a number
func Inc[T Number](value T) T {
return value + 1
}
// Min takes the minimum of two values. If they are considered equal, the first argument is chosen
func Min[A C.Ordered](a, b A) A {
if a < b {
return a
}
return b
}
// Max takes the maximum of two values. If they are considered equal, the first argument is chosen
func Max[A C.Ordered](a, b A) A {
if a > b {
return a
}
return b
}