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mumbledj/vendor/github.com/magiconair/properties/rangecheck.go

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// Copyright 2016 Frank Schroeder. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package properties
import (
"fmt"
"math"
)
// make this a var to overwrite it in a test
var is32Bit = ^uint(0) == math.MaxUint32
// intRangeCheck checks if the value fits into the int type and
// panics if it does not.
func intRangeCheck(key string, v int64) int {
if is32Bit && (v < math.MinInt32 || v > math.MaxInt32) {
panic(fmt.Sprintf("Value %d for key %s out of range", v, key))
}
return int(v)
}
// uintRangeCheck checks if the value fits into the uint type and
// panics if it does not.
func uintRangeCheck(key string, v uint64) uint {
if is32Bit && v > math.MaxUint32 {
panic(fmt.Sprintf("Value %d for key %s out of range", v, key))
}
return uint(v)
}