git ssb

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var looper = module.exports = function (fun) {
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  (function next () {
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    var loop = true, returned = false, sync = false
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    do {
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      sync = true; loop = false
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      fun.call(this, function () {
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        if(sync) loop = true
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        else     next()
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      })
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      sync = false
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    } while(loop)
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  })()
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}
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