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ferret/pkg/runtime/core/helpers.go

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package core
import (
"math"
"math/rand"
"reflect"
)
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func IsNil(input interface{}) bool {
val := reflect.ValueOf(input)
kind := val.Kind()
switch kind {
case reflect.Ptr,
reflect.Array,
reflect.Slice,
reflect.Map,
reflect.Func,
reflect.Interface,
reflect.Chan:
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return val.IsNil()
case reflect.Struct,
reflect.UnsafePointer:
return false
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case reflect.Invalid:
return true
default:
return false
}
}
func NumberBoundaries(input float64) (max float64, min float64) {
min = input / 2
max = input * 2
return
}
func NumberUpperBoundary(input float64) float64 {
return input * 2
}
func NumberLowerBoundary(input float64) float64 {
return input / 2
}
func Random(max float64, min float64) float64 {
r := rand.Float64()
i := r * (max - min + 1)
out := math.Floor(i) + min
return out
}