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min.go
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min.go
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package checker
import (
"reflect"
"strconv"
)
// CheckerMin is the name of the checker.
const CheckerMin = "min"
// ResultNotMin indicates that the given value is below the defined minimum.
const ResultNotMin = "NOT_MIN"
// IsMin checks if the given value is above than the given minimum.
func IsMin(value interface{}, min float64) Result {
return checkMin(reflect.Indirect(reflect.ValueOf(value)), reflect.ValueOf(nil), min)
}
// makeMin makes a checker function for the min checker.
func makeMin(config string) CheckFunc {
min, err := strconv.ParseFloat(config, 64)
if err != nil {
panic("unable to parse min")
}
return func(value, parent reflect.Value) Result {
return checkMin(value, parent, min)
}
}
// checkMin checks if the given value is greather than the given minimum.
func checkMin(value, _ reflect.Value, min float64) Result {
n := numberOf(value)
if n < min {
return ResultNotMin
}
return ResultValid
}