return c

def v(a,b):

var queryLondonCustomers3 =
    from cust in customers
    where cust.City == "London"
    orderby cust.Name ascending
    select cust;

Pavel@DESKTOP-F7NI02J MINGW32 ~/desktop
$ ./vsl -dast
pkg/prelude/bootstrap.js:1080
      throw error;
      ^

ReferenceError: os is not defined
    at getSupport (C:\snapshot\VSL\lib\cli\colorSupport.js:18:25)
    at Object.<anonymous> (C:\snapshot\VSL\lib\cli\colorSupport.js:72:13)
    at Module._compile (pkg/prelude/bootstrap.js:1151:22)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)

    ModuleError {
      message: '/XXX/XXX is not a VSL module, could not locate a `module.yml`',
      type: 1,
      data:
       { error:
          { Error: ENOENT: no such file or directory, open '/XXX/XXX/module.yml'
            errno: -2,
            code: 'ENOENT',
            syscall: 'open',
            path: 'XXX.yml' } } }
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