[MESOS-1805] change const pass-by-value to const reference in stout

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Won't Fix
• Affects Version/s: 0.25.0
• Component/s: stout
• Labels: easyfix patch performance
• Target Version/s: 0.25.0
• Assignee: Guangya Liu
• Reporter: Kamil Domański
• Shepherd: Vinod Kone
• Created: 17/Sep/14 14:23
• Updated: 25/Sep/15 22:48
• Resolved: 31/Aug/15 21:13

Description

os::shell and an overload of strings::internal::fmt in stout pass a const std::string parameter instead of const std::string&