Data commit

Task/Balanced-brackets/Icon/balanced-brackets.icon

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+procedure main(arglist)
+every s := genbs(!arglist) do
+   write(image(s), if isbalanced(s) then " is balanced." else " is unbalanced")
+end
+
+procedure isbalanced(s) # test if a string is balanced re: []
+return (s || " ") ? (bal(,'[',']') = *s+1)
+end
+
+procedure genbs(i)  # generate strings of i pairs of []
+s := ""
+every 1 to i do s ||:= "[]"       # generate i pairs
+every !s := ?s                    # shuffle
+return s
+end