100 lines
1.2 KiB
V
100 lines
1.2 KiB
V
type Node = Expr | string
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type Expr = IfExpr | IntegerLiteral
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struct IntegerLiteral {}
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struct IfExpr {
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pos int
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}
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struct NodeWrapper {
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node Node
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}
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fn test_nested_sumtype_match_selector() {
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c := NodeWrapper{Node(Expr(IfExpr{
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pos: 1
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}))}
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match c.node {
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Expr {
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match c.node {
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IfExpr {
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assert c.node.pos == 1
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}
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else {
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assert false
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}
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}
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}
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else {
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assert false
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}
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}
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}
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fn test_nested_sumtype_match() {
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c := Node(Expr(IfExpr{
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pos: 1
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}))
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match c {
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Expr {
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match c {
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IfExpr {
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assert c.pos == 1
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}
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else {
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assert false
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}
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}
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}
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else {
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assert false
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}
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}
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}
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struct Milk {
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mut:
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name string
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}
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struct Eggs {
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mut:
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name string
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}
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type Food = Eggs | Milk
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struct FoodWrapper {
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mut:
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food Food
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}
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fn test_match_mut() {
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mut f := Food(Milk{'test'})
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match mut f {
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Eggs {
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f.name = 'eggs'
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assert f.name == 'eggs'
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}
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Milk {
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f.name = 'milk'
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assert f.name == 'milk'
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}
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}
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}
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fn test_match_mut_selector() {
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mut f := FoodWrapper{Food(Milk{'test'})}
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match mut f.food {
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Eggs {
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f.food.name = 'eggs'
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assert f.food.name == 'eggs'
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}
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Milk {
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f.food.name = 'milk'
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assert f.food.name == 'milk'
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}
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}
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}
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