100 lines
1.8 KiB
V
100 lines
1.8 KiB
V
struct VaTestGroup {
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name string
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}
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// basic
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fn variadic_test(name string, groups ...VaTestGroup) {
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assert groups.len == 2
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assert groups[0].name == 'users'
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assert groups[1].name == 'admins'
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}
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fn test_fn_variadic() {
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group1 := VaTestGroup{
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name: 'users'
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}
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group2 := VaTestGroup{
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name: 'admins'
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}
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variadic_test('joe', group1, group2)
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}
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/*
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// QTODO
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// generic
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fn variadic_test_generic<T>(a int, b ...T) T {
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b1 := b[0]
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b2 := b[1]
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return '$a $b1 $b2'
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}
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fn test_fn_variadic_generic() {
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assert variadic_test_generic(111, 'hello', 'v') == '111 hello v'
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}
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*/
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// forwarding
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fn variadic_forward_a(a ...string) string {
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return variadic_fn_a(...a)
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}
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fn variadic_fn_a(a ...string) string {
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a0 := a[0]
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a1 := a[1]
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a2 := a[2]
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return '$a0$a1$a2'
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}
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fn test_fn_variadic_forward() {
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assert variadic_forward_a('a', 'b', 'c') == 'abc'
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}
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fn fn_variadic_with_arg_no_vargs(name string, groups ...VaTestGroup) {
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assert groups.len == 0
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}
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fn test_fn_variadic_with_arg_no_vargs() {
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fn_variadic_with_arg_no_vargs('marko')
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}
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fn fn_variadic_only_with_no_vargs(groups ...VaTestGroup) {
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assert groups.len == 0
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}
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fn test_variadic_only_with_no_vargs() {
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fn_variadic_only_with_no_vargs()
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}
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fn test_array_decomposition_to_vargs() {
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a := ['a', 'b', 'c']
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assert variadic_fn_a(...a) == 'abc'
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}
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struct VaTestStruct {
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}
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fn (a VaTestStruct) variadic_method(name string, groups ...VaTestGroup) {
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assert groups.len == 2
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assert groups[0].name == 'users'
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assert groups[1].name == 'admins'
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}
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fn (a VaTestStruct) variadic_method_no_args(name string, groups ...VaTestGroup) {
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assert groups.len == 0
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}
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fn test_fn_variadic_method() {
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a := VaTestStruct{}
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group1 := VaTestGroup{
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name: 'users'
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}
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group2 := VaTestGroup{
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name: 'admins'
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}
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a.variadic_method('marko', group1, group2)
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}
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fn test_fn_variadic_method_no_args() {
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a := VaTestStruct{}
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a.variadic_method_no_args('marko')
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}
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