56 lines
814 B
V
56 lines
814 B
V
fn foo1() ?int {
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return if true { 0 } else { none }
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}
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fn foo2() ?int {
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return if true { 1 } else { error('foo2 error') }
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}
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fn foo3() ?int {
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return if false { 1 } else { error('foo3 error') }
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}
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fn foo4() ?int {
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return if true { 2 } else { 0 }
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}
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fn test_if_expr_of_optional() {
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a1 := foo1() or { panic('error') }
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println(a1)
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assert a1 == 0
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a2 := foo2() or { panic('error') }
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println(a2)
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assert a2 == 1
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if _ := foo3() {
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assert false
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} else {
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assert err.msg() == 'foo3 error'
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}
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a4 := foo4() or { panic('error') }
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println(a4)
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assert a4 == 2
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}
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fn foo_complex() ?int {
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a := 2
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return if a > 1 {
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mut b := 1
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b *= 10
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b
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} else {
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mut c := 0
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c += 2
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println(c)
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none
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}
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}
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fn test_if_expr_of_optional_complex() {
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a := foo_complex() or { panic('error') }
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println(a)
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assert a == 10
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}
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