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- var funcProto = Function.prototype;
- var funcToString = funcProto.toString;
- function toSource(func) {
- if (func != null) {
- try {
- return funcToString.call(func);
- } catch (e) {}
- try {
- return (func + '');
- } catch (e) {}
- }
- return '';
- }
- module.exports = toSource;
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