id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,difficulty 742,perform immediateness checks inline before calling C_mutate,felix winkelmann,felix winkelmann,"By doing this an out-of-line function call may be avoided which could speed up code doing an excessive number of mutations or doing many mutations on the same storage location. There is also a patch by Joerg Wittenberger (attached) which does inline the test whether the assigned value is in the nursery (I'm not completely sure about this patch - for some irrational reason I don't trust `C_in_stackp`). ",enhancement,closed,not urgent at all,,core libraries,4.7.x,fixed,runtime mutation C_mutate,,