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////////////////////////////////////////////////////////////////////////////
// Porgram: flag_array
// Purpose: a user-defined Go flag type that allows multiple occurrence
// Authors: Tong Sun (c) 2021, All rights reserved
// License: MIT
////////////////////////////////////////////////////////////////////////////
// Refs https://github.com/suntong/lang/blob/master/lang/Go/src/sys/CommandLineFlagArray.go
package main
// mFlags extend Go flags so that it can be specified multiple times
type mFlags []string
func (f *mFlags) String() string {
return "n.a."
}
func (f *mFlags) Set(value string) error {
*f = append(*f, value)
return nil
}
/*
Usage Example:
var multiple mFlags
func main() {
flag.Var(&multiple, "list1", "Some description for this param.")
flag.Parse()
}
*/
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