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% Slightly adapted from https://tex.stackexchange.com/a/197322 | |
\documentclass{article} | |
\usepackage{amssymb} | |
\usepackage{xparse} | |
\input{random} | |
\ExplSyntaxOn | |
% alias \setrannum to an expl3 function | |
\cs_set_eq:NN \benutzer_set_rannum:Nnn \setrannum | |
\NewDocumentCommand{\newrandomcommand}{mm} | |
{% #1 is the macro name, #2 is the data | |
\cs_if_exist:cTF { #1 } | |
{ | |
ERROR! | |
} | |
{ | |
\benutzer_new_random_command:nn { #1 } { #2 } | |
} | |
} | |
\seq_new:N \l__benutzer_data_seq | |
\int_new:N \l__benutzer_random_int | |
\cs_new_protected:Npn \benutzer_new_random_command:nn #1 #2 | |
{ | |
\seq_set_split:Nnn \l__benutzer_data_seq { , } { #2 } | |
\seq_new:c { g_benutzer_#1_data_seq } | |
\benutzer_process_data:n { #1 } | |
\cs_new_protected:cpn { #1 } | |
{ | |
\benutzer_set_rannum:Nnn \l__benutzer_random_int { 1 } | |
{ \seq_count:c { g_benutzer_#1_data_seq } } | |
\seq_item:cn { g_benutzer_#1_data_seq } { \l__benutzer_random_int } | |
} | |
} | |
\cs_new_protected:Npn \benutzer_process_data:n #1 | |
{ | |
\seq_map_inline:Nn \l__benutzer_data_seq | |
{ | |
\__benutzer_process_item:nw { #1 } ##1 // \q_stop | |
} | |
} | |
\cs_new:Npn \__benutzer_process_item:nw #1 #2 / #3 / #4 \q_stop | |
{ | |
\tl_if_blank:nTF { #3 } | |
{ | |
\__benutzer_add_item:nnn { #1 } { #2 } { 1 } | |
} | |
{ | |
\__benutzer_add_item:nnn { #1 } { #2 } { #3 } | |
} | |
} | |
\cs_new_protected:Npn \__benutzer_add_item:nnn #1 #2 #3 | |
{ | |
\prg_replicate:nn { #3 } | |
{ | |
\seq_put_right:cn { g_benutzer_#1_data_seq } { #2 } | |
} | |
} | |
% this is just for testing | |
\NewDocumentCommand{\test}{mm} | |
{ | |
\prg_replicate:nn { #2 } { #1\space } | |
} | |
\ExplSyntaxOff | |
\newrandomcommand{emptyness}{\varnothing, \emptyset, \mathchar"001F} | |
\newrandomcommand{emptier}{\varnothing/10, \emptyset/10, \mathchar"001F/10, \{\}} | |
\begin{document} | |
\raggedright | |
\test{$\emptyness$}{10000} | |
\test{$\emptier$}{10000} | |
\end{document} |
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