Add precision modifier for seconds in chrono format - #3148

Add precision modifier for seconds in chrono format#3148

vitaut merged 7 commits into

fmtlib:masterfmtlib/fmt:masterfrom

SappyJoy:add-precision-modifier-for-seconds-in-chrono-formatSappyJoy/fmt:add-precision-modifier-for-seconds-in-chrono-formatCopy head branch name to clipboard