type Salary struct {
       MinSalary   *int `json:"MinSalary" validate:"int|min:10000" message:"The minimum salary is 10.000 EUR"`
	OkSalary    *int `json:"OkSalary" validate:"int|min:10000" message:"The ok salary is larger than 10.000 EUR"`
	HappySalary *int `json:"HappySalary" validate:"int|min:10000" message:"The happy salary is larger than 10.000 EUR"`
}

(params.Salary) {
 MinSalary: (*int)(<nil>),
 OkSalary: (*int)(0xc0002503c8)(121211212),
 HappySalary: (*int)(<nil>)
}

(validate.Errors) (len=1) (PANIC=runtime error: invalid memory address or nil pointer dereference){
 (string) (len=8) "OkSalary": (validate.MS) (len=1) (PANIC=runtime error: invalid memory address or nil pointer dereference){
  (string) (len=3) "int": (string) (len=39) "The ok salary is larger than 10.000 EUR"
 }