context.cancelCtx.cause (field)

4 uses

	context (current package)
		context.go#L292: 		return cc.cause
		context.go#L432: 	cause    error                 // set to non-nil by the first cancel call
		context.go#L487: 			child.cancel(false, p.err, p.cause)
		context.go#L553: 	c.cause = cause