==== tests/cases/compiler/implicitAnyDeclareFunctionExprWithoutFormalType.ts (8 errors) ====
    // these should be errors for implicit any parameter
    var lambda = (l1) => { };       // Error at "l1"
                  ~~
!!! Parameter 'l1' implicitly has an 'any' type.
    var lambd2 = (ll1, ll2: string) => { }  // Error at "ll1"
                  ~~~
!!! Parameter 'll1' implicitly has an 'any' type.
    var lamda3 = function myLambda3(myParam) { }
                                    ~~~~~~~
!!! Parameter 'myParam' implicitly has an 'any' type.
    var lamda4 = () => { return null };
                 ~~~~~~~~~~~~~~~~~~~~~
!!! Function expression, which lacks return-type annotation, implicitly has an 'any' return type.
    
    // these should be error for implicit any return type
    var lambda5 = function temp() { return null; }
                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! 'temp', which lacks return-type annotation, implicitly has an 'any' return type.
    var lambda6 = () => { return null; }
                  ~~~~~~~~~~~~~~~~~~~~~~
!!! Function expression, which lacks return-type annotation, implicitly has an 'any' return type.
    var lambda7 = function temp() { return undefined; }
                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! 'temp', which lacks return-type annotation, implicitly has an 'any' return type.
    var lambda8 = () => { return undefined; }
                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! Function expression, which lacks return-type annotation, implicitly has an 'any' return type.
    
    // this shouldn't be an error
    var lambda9 = () => { return 5; }
    var lambda10 = function temp1() { return 5; }