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test expandOpts

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This commit is contained in:
bth 2026-01-29 12:00:19 -08:00
commit db3f01e142
2 changed files with 32 additions and 3 deletions
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6
flags/flags.go
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@ -145,16 +145,16 @@ func expandOpts(opts any) ([]Flag, error) {
for j := 0; j < v.NumField(); j++ {
field := v.Field(j)
if field.Kind() != reflect.Struct {
return nil, ParseError{fmt.Sprintf("needs a struct: %#v", field.Kind())}
return nil, ParseError{fmt.Sprintf("field must be a struct: %#v", field.Kind())}
}
if !field.CanAddr() {
return nil, ParseError{fmt.Sprintf("needs an addressable type: %#v", field.Type())}
return nil, ParseError{fmt.Sprintf("field must be addressable type: %#v", field.Type())}
}
// NOTE: Addr() gets the underlying address:
if f, ok := field.Addr().Interface().(Flag); ok {
flags = append(flags, f)
} else {
return nil, ParseError{fmt.Sprintf("needs a []Flag interface: %#v", field.Type())}
return nil, ParseError{fmt.Sprintf("field must be a []Flag interface: %#v", field.Type())}
}
}
return flags, nil