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funcs.go

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package cli

// BashCompleteFunc is an action to execute when the bash-completion flag is set

type BashCompleteFunc func(*Context)

// BeforeFunc is an action to execute before any subcommands are run, but after

// the context is ready if a non-nil error is returned, no subcommands are run

type BeforeFunc func(*Context) error

// AfterFunc is an action to execute after any subcommands are run, but after the

// subcommand has finished it is run even if Action() panics

type AfterFunc func(*Context) error

// ActionFunc is the action to execute when no subcommands are specified

type ActionFunc func(*Context) error

// CommandNotFoundFunc is executed if the proper command cannot be found

type CommandNotFoundFunc func(*Context, string)

// OnUsageErrorFunc is executed if an usage error occurs. This is useful for displaying

// customized usage error messages. This function is able to replace the

// original error messages. If this function is not set, the "Incorrect usage"

// is displayed and the execution is interrupted.

type OnUsageErrorFunc func(context *Context, err error, isSubcommand bool) error

// FlagStringFunc is used by the help generation to display a flag, which is

// expected to be a single line.

type FlagStringFunc func(Flag) string