v2 / vlib / v / tests / options / var_option_comptime_test.v
25 lines · 23 sloc · 308 bytes · 6488041a749df9762348d019c4223908c476f2e2
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1struct Test {


2    a ?string


3}


4


5fn foo(a ?string) ? {


6    println(a?)


7    if a == none {


8        assert false


9    }


10}


11


12fn test_main() {


13    v := Test{}


14    $for f in Test.fields {


15        mut t := v.$(f.name)


16        assert t == none


17        z := t or { '' }


18        assert z == ''


19        foo(t)


20        t = 'foo'


21        assert t != none


22        foo(t)


23        assert t? == 'foo'


24    }


25}


26