mirror of
https://github.com/samber/lo.git
synced 2025-09-26 20:11:13 +08:00
97074eeae7
* feat: create Mean for ints and floats * feat: create MeanBy for ints and floats * chore: add example tests for mean Mean and MeanBy
87 lines
1.4 KiB
Go
87 lines
1.4 KiB
Go
package lo
|
|
|
|
import (
|
|
"fmt"
|
|
)
|
|
|
|
func ExampleRange() {
|
|
result1 := Range(4)
|
|
result2 := Range(-4)
|
|
result3 := RangeFrom(1, 5)
|
|
result4 := RangeFrom(1.0, 5)
|
|
result5 := RangeWithSteps(0, 20, 5)
|
|
result6 := RangeWithSteps[float32](-1.0, -4.0, -1.0)
|
|
result7 := RangeWithSteps(1, 4, -1)
|
|
result8 := Range(0)
|
|
|
|
fmt.Printf("%v\n", result1)
|
|
fmt.Printf("%v\n", result2)
|
|
fmt.Printf("%v\n", result3)
|
|
fmt.Printf("%v\n", result4)
|
|
fmt.Printf("%v\n", result5)
|
|
fmt.Printf("%v\n", result6)
|
|
fmt.Printf("%v\n", result7)
|
|
fmt.Printf("%v\n", result8)
|
|
// Output:
|
|
// [0 1 2 3]
|
|
// [0 -1 -2 -3]
|
|
// [1 2 3 4 5]
|
|
// [1 2 3 4 5]
|
|
// [0 5 10 15]
|
|
// [-1 -2 -3]
|
|
// []
|
|
// []
|
|
}
|
|
|
|
func ExampleClamp() {
|
|
result1 := Clamp(0, -10, 10)
|
|
result2 := Clamp(-42, -10, 10)
|
|
result3 := Clamp(42, -10, 10)
|
|
|
|
fmt.Printf("%v\n", result1)
|
|
fmt.Printf("%v\n", result2)
|
|
fmt.Printf("%v\n", result3)
|
|
// Output:
|
|
// 0
|
|
// -10
|
|
// 10
|
|
}
|
|
|
|
func ExampleSum() {
|
|
list := []int{1, 2, 3, 4, 5}
|
|
|
|
sum := Sum(list)
|
|
|
|
fmt.Printf("%v", sum)
|
|
// Output: 15
|
|
}
|
|
|
|
func ExampleSumBy() {
|
|
list := []string{"foo", "bar"}
|
|
|
|
result := SumBy(list, func(item string) int {
|
|
return len(item)
|
|
})
|
|
|
|
fmt.Printf("%v", result)
|
|
// Output: 6
|
|
}
|
|
|
|
func ExampleMean() {
|
|
list := []int{1, 2, 3, 4, 5}
|
|
|
|
result := Mean(list)
|
|
|
|
fmt.Printf("%v", result)
|
|
}
|
|
|
|
func ExampleMeanBy() {
|
|
list := []string{"foo", "bar"}
|
|
|
|
result := MeanBy(list, func(item string) int {
|
|
return len(item)
|
|
})
|
|
|
|
fmt.Printf("%v", result)
|
|
}
|