int32.go

package easyrand

import (
	"crypto/rand"
)

func Int32() (int32, error) {
	b := make([]byte, 4)
	if _, err := rand.Read(b); err != nil {
		return 0, err
	}
	return int32(b[0]) | int32(b[1])<<8 | int32(b[2])<<16 | int32(b[3])<<24, nil
}

func Int32Range(min, max int32) (int32, error) {
	n, err := randomInt64(int64(min), int64(max))
	return int32(n), err
}

func Int32Checked() int32 {
	n, err := Int32()
	if err != nil {
		panic(err)
	}
	return n
}

func Int32RangeChecked(min, max int32) int32 {
	n, err := Int32Range(min, max)
	if err != nil {
		panic(err)
	}
	return n
}

func Int32Unchecked() int32 {
	n, _ := Int32()
	return n
}

func Int32RangeUnchecked(min, max int32) int32 {
	n, _ := Int32Range(min, max)
	return n
}