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flags with string literal "null" get skipped #17

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@abraithwaite

This was unexpected behavior for me. I imagine it has to do with JSON/yaml parsing support.

Perhaps documentation is all that's needed.

package main

import (
        "fmt"

        "github.com/segmentio/conf"
)

type config struct {
        Name string `conf:"name" help:"set me please"`
}

func main() {
        c := config{}
        conf.Load(&c)
        fmt.Println(c)
}
abraithwaite at alan-mbpr in ~GOPATH/src/github.com/segmentio
10:57:05 $ go run play.go -name null
{}

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