Method ApplyMutation

server/store/types/types.go:738–746

ApplyMutation sets of modifies access mode: * if `mutation` contains either '+' or '-', attempts to apply a delta change on `m`. * otherwise, treats it as an assignment.

(mutation string)

// * if `mutation` contains either '+' or '-', attempts to apply a delta change on `m`.
// * otherwise, treats it as an assignment.
func (m *AccessMode) ApplyMutation(mutation string) error {
	if mutation == "" {
		return nil
	}
	if strings.ContainsAny(mutation, "+-") {
		return m.ApplyDelta(mutation)
	}
	return m.UnmarshalText([]byte(mutation))
}

// ApplyDelta applies the acs delta to AccessMode.
// Delta is in the same format as generated by AccessMode.Delta.