#N canvas 484 176 632 434 10;
#X obj 0 0 doc_h;
#X obj 0 400 doc_f;
#X obj 38 126 class_exists;
#X msg 38 32 symbol +;
#X obj 38 145 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 0
1;
#X msg 45 52 symbol ++;
#X text 108 52 doesn't;
#X text 93 31 does exist;
#X msg 52 73 symbol #io.quartz;
#X msg 61 95 symbol #io.videodev;
#X text 183 95 only on Linux;
#X text 162 72 only on OSX;
#X obj 3 168 doc_c 0;
#X obj 3 208 doc_i 1;
#X obj 3 318 doc_o 1;
#X obj 14 348 doc_oo 0;
#X obj 14 238 doc_ii 0;
#X obj 97 238 doc_m i0 symbol;
#X obj 97 348 doc_m o0 float;
#X text 232 348 1 if it exists \, 0 if it doesn't;
#X obj 3 380 doc_also;
#X obj 103 380 gf/class_info;
#X text 232 238 name of class to check the existence of.;
#X text 232 260 due to a limitation of pd \, you can't check for the
existence of [bang] \, [float] \, [symbol] \, [pointer] \, [blob] or
[list].;
#X connect 2 0 4 0;
#X connect 3 0 2 0;
#X connect 5 0 2 0;
#X connect 8 0 2 0;
#X connect 9 0 2 0;
#X connect 17 1 22 0;
#X connect 17 1 23 0;
#X connect 18 1 19 0;
#X connect 20 1 21 0;