23 lines
368 B
Go
23 lines
368 B
Go
package parsing
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import (
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"errors"
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"math/big"
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"os"
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)
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type Cliargs struct {
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}
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func (arg *Cliargs) Parse() (*big.Int, error) {
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args := os.Args[1:]
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if len(args) != 1 {
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return nil, errors.New("only expected 1 arg")
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}
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num, success := new(big.Int).SetString(args[0], 10)
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if !success {
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return nil, errors.New("argument is not an integer")
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}
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return num, nil
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}
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