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package govaluate
// sanitizedParameters is a wrapper for Parameters that does sanitization as
// parameters are accessed.
type sanitizedParameters struct {
orig Parameters
}
func (p sanitizedParameters) Get(key string) (interface{}, error) {
value, err := p.orig.Get(key)
if err != nil {
return nil, err
}
return castToFloat64(value), nil
}
func castToFloat64(value interface{}) interface{} {
switch value := value.(type) {
case uint8:
return float64(value)
case uint16:
return float64(value)
case uint32:
return float64(value)
case uint64:
return float64(value)
case int8:
return float64(value)
case int16:
return float64(value)
case int32:
return float64(value)
case int64:
return float64(value)
case int:
return float64(value)
case float32:
return float64(value)
}
return value
}
|
