2a09d1a4
 liuqimichale
添加宜春 天水 宣化
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var fs = require('fs');
var Result = require('./');
// If you want async just get a promise or something.
var readFile = function (path, encoding) {
try {
return Result.Ok(fs.readFileSync(path, encoding))
}
catch (ex) {
return Result.Err(ex)
}
}
var result = readFile(__filename);
var v, err;
if (Result.isOk(result)) {
v = Result.Ok(result);
console.log('got ' + v.length + ' bytes')
}
else if (Result.isErr(result)) {
err = Result.Err(result);
console.error('oops!', err.message)
}
result = readFile(__filename + 'I do not exist')
if (Result.isOk(result)) {
v = Result.Ok(result)
console.log('got ' + v.length + ' bytes')
}
else if (Result.isErr(result)) {
err = Result.Err(result)
console.error('oops!', err.message)
}
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