28 lines
380 B
V
28 lines
380 B
V
interface TheInterface {
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mut:
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an_interface() ?
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}
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struct Implementation {
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}
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fn (mut i Implementation) an_interface() ? {
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return
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}
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fn maker() ?TheInterface {
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inner := Implementation{}
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return inner
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}
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fn do(mut inter TheInterface) string {
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return 'ok'
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}
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fn test_fn_mut_arg_of_interface() ? {
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mut inner := maker() ?
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ret := do(mut inner)
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println(ret)
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assert ret == 'ok'
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}
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