16 lines
261 B
JavaScript
16 lines
261 B
JavaScript
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exports.add = function(a, b, fn){
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fn(null, a + b);
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};
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exports.sub = function(a, b, fn){
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fn(null, a - b);
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};
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exports.uppercase = function(str, fn){
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fn(null, str.toUpperCase());
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};
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exports.lowercase = function(str, fn){
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fn(null, str.toLowerCase());
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};
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