v2 / vlib / v / slow_tests / inout / printing_fixed_array_of_pointers.vv
47 lines · 44 sloc · 1.24 KB · 6a32c810703f4ec0c39fe18298ebe6c40acac8f1
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1struct EventListener {


2mut:


3    x int


4}


5


6type PEventListener = &EventListener


7


8struct StructOfFixedArraysOfListeners {


9mut:


10    elisteners    [3]EventListener


11    apelisteners  [3]PEventListener


12    pelisteners   [3]&EventListener


13    ppelisteners  [3]&&EventListener


14    pppelisteners [3]&&&EventListener


15}


16


17fn main() {


18    mut x := StructOfFixedArraysOfListeners{}


19    x.elisteners[0].x = 123


20    x.apelisteners[0] = &x.elisteners[0]


21    x.pelisteners[0] = &x.elisteners[0]


22    //


23    x.ppelisteners[0] = &x.pelisteners[0]


24    x.pppelisteners[0] = &x.ppelisteners[0]


25    eprintln('------------------------------------')


26    eprintln(x.elisteners)


27    eprintln('- 1 level of indirection -')


28    eprintln(x.apelisteners)


29    eprintln(x.pelisteners)


30    eprintln('- 2 level of indirection -')


31    eprintln(x.ppelisteners)


32    eprintln('- 3 level of indirection -')


33    eprintln(x.pppelisteners)


34    eprintln('-----------------------------------------------------')


35    eprintln('- all:')


36    eprintln(x)


37    eprintln('-----------------------------------------------------')


38    fa := [2]EventListener{}


39    eprintln(fa)


40    pfa := [2]&EventListener{}


41    eprintln(pfa)


42    ppfa := [2]&&EventListener{}


43    eprintln(ppfa)


44    eprintln('-----------------------------------------------------')


45    dynamic_pfa := [&x.elisteners[0], &x.elisteners[1]]


46    eprintln(dynamic_pfa)


47}


48