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28 lines
422 B
V
28 lines
422 B
V
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fn test_pointer_arithmetic() {
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arr := [1,2,3,4]
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unsafe {
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mut parr := *int(arr.data)
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parr += 1
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assert 2 == *parr
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parr++
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assert 3 == *parr
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assert *(parr + 1) == 4
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}
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}
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fn test_multi_level_pointer_dereferencing() {
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n := 100
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pn := &n
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ppn := &pn
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unsafe {
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mut pppn := &ppn
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***pppn = 300
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pppa := ***int(pppn)
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assert 300 == ***pppa
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}
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assert n == 300 // updated by the unsafe pointer manipulation
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}
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