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Allow Pipelined funcs to return error.

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This commit is contained in:
Vladimir Mihailenco
2014-07-02 16:18:19 +03:00
parent 4ea3e7531b
commit b11853c050
2 changed files with 8 additions and 4 deletions
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6
multi.go
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@@ -55,9 +55,11 @@ func (c *Multi) Discard() error {
// Exec always returns list of commands. If transaction fails
// TxFailedErr is returned. Otherwise Exec returns error of the first
// failed command or nil.
func (c *Multi) Exec(f func()) ([]Cmder, error) {
func (c *Multi) Exec(f func() error) ([]Cmder, error) {
c.cmds = []Cmder{NewStatusCmd("MULTI")}
f()
if err := f(); err != nil {
return nil, err
}
c.cmds = append(c.cmds, NewSliceCmd("EXEC"))
cmds := c.cmds