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commands: Fixed panic on nil output value

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This commit is contained in:
Matt Bell
2015-01-06 11:54:09 -08:00
parent 6236ef7fdb
commit c2f46b618a
1 changed files with 8 additions and 5 deletions
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5
commands/command.go
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@ -114,13 +114,16 @@ func (c *Command) Call(req Request) Response {
return res return res
} }
isChan := false
actualType := reflect.TypeOf(output) actualType := reflect.TypeOf(output)
if actualType != nil {
if actualType.Kind() == reflect.Ptr { if actualType.Kind() == reflect.Ptr {
actualType = actualType.Elem() actualType = actualType.Elem()
} }
// test if output is a channel // test if output is a channel
isChan := actualType.Kind() == reflect.Chan isChan = actualType.Kind() == reflect.Chan
}
// If the command specified an output type, ensure the actual value returned is of that type // If the command specified an output type, ensure the actual value returned is of that type
if cmd.Type != nil && !isChan { if cmd.Type != nil && !isChan {