Posted to tcl by evilotto at Sat Feb 04 01:27:30 GMT 2017view pretty

% set a {}
% time {append a " {}" ; llength $a} 1000
47.583 microseconds per iteration
% set a {}
% time {append a " {}" ; llength $a} 10000
460.8025 microseconds per iteration
% set a {}
% time {lappend a {} ; llength $a} 100000
0.63703 microseconds per iteration
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