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Merge pull request #352 from jrmarkle/process_wrapper

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add WrapProcess to allow users to alter command processing
This commit is contained in:
Vladimir Mihailenco
2016-08-17 12:43:40 +03:00
committed by GitHub
parent 0b8675fa45 5760a88db3
commit 909c26e76c
1 changed files with 8 additions and 0 deletions
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8
commands.go
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@ -245,6 +245,14 @@ type cmdable struct {
process func(cmd Cmder) error process func(cmd Cmder) error
} }
// WrapProcess replaces the process func. It takes a function createWrapper
// which is supplied by the user. createWrapper takes the old process func as
// an input and returns the new wrapper process func. createWrapper should
// use call the old process func within the new process func.
func (c *cmdable) WrapProcess(createWrapper func(oldProcess func(cmd Cmder) error) func(cmd Cmder) error) {
c.process = createWrapper(c.process)
}
var _ Cmdable = (*cmdable)(nil) var _ Cmdable = (*cmdable)(nil)
type statefulCmdable struct { type statefulCmdable struct {