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String method: isBalanced
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| c |
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0 self forEach: c [
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c '[' == ifTrue: [ 1+ continue ]
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c ']' <> ifTrue: [ continue ]
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1- dup 0 < ifTrue: [ drop false return ]
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]
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0 == ;
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: genBrackets(n)
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"" #[ "[" "]" 2 rand 2 == ifTrue: [ swap ] rot + swap + ] times(n) ;
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