v2 / vlib / v / tests / comptime / comptime_if_expr_evaluate_test.v
67 lines · 61 sloc · 1.42 KB · afc1f92d0a42d1e8bbdd09007825f6947955a53a
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1struct EmptyStruct {


2    b []string


3pub:


4    a int


5}


6


7fn encode_struct[T](val T) {


8    mut result := map[string][]string{}


9    $for field in T.fields {


10        result[field.name] = []string{}


11        $if field.is_array == false {


12            result[field.name] << '> is not array'


13        } $else {


14            result[field.name] << '> is array'


15        }


16        $if !field.is_array {


17            result[field.name] << '>> is not array'


18        } $else $if field.is_pub {


19            result[field.name] << '>> is public'


20        } $else {


21            result[field.name] << '>> is array'


22        }


23        $if field.is_array {


24            result[field.name] << '>>> is array'


25        } $else {


26            result[field.name] << '>>> is not array'


27        }


28        $if field.is_shared {


29            result[field.name] << '>>>> is shared'


30        } $else $if field.is_pub {


31            result[field.name] << '>>>> is pub'


32        }


33    }


34    result['bool'] = []string{}


35    $if !false {


36        result['bool'] << '1'


37    }


38    $if !true {


39        result['bool'] << '2'


40    }


41    $if true {


42        result['bool'] << '3'


43    }


44    $if false {


45        result['bool'] << '4'


46    }


47


48    assert result['a'].len == 4


49    assert result['b'].len == 3


50    assert result['bool'].len == 2


51


52    assert result['a'][0] == '> is not array'


53    assert result['a'][1] == '>> is not array'


54    assert result['a'][2] == '>>> is not array'


55    assert result['a'][3] == '>>>> is pub'


56


57    assert result['b'][0] == '> is array'


58    assert result['b'][1] == '>> is array'


59    assert result['b'][2] == '>>> is array'


60


61    assert result['bool'][0] == '1'


62    assert result['bool'][1] == '3'


63}


64


65fn test_main() {


66    encode_struct(EmptyStruct{})


67}


68