Added new syntax.

- Slice Expression.
- Reversed Indexing,.
- Range Destructuring.
- Table Range Matching.

3 files changed, 102 insertions, 0 deletions

diff --git a/spec/inputs/destructure.yue b/spec/inputs/destructure.yue
index 9f01a20..b6250d0 100644
--- a/spec/inputs/destructure.yue
+++ b/spec/inputs/destructure.yue
@@ -240,5 +240,43 @@ do
         switch tb
                 when {c: {<"abc">: meta_field = "def"}, <[[any string]]>: {d: abc = 123}, <'str'>: {e: def = {}}}
                         print meta_field, abc, def
+
+do
+        clients = ["VIP_Alice", "User_Bob", "User_Clara", "VIP_Eva"]
+        [vipStart, ...regulars, vipEnd] = clients
+        print vipStart -- "VIP_Alice"
+        print regulars -- {"User_Bob", "User_Clara"}
+        print vipEnd   -- "VIP_Eva"
+
+do
+        setupMeeting = (participants) ->
+                [chair, ..._, secretary] = participants
+                print chair, secretary
+
+        setupMeeting ["Alice", "Bob", "Charlie", "David"]
+        -- Output: Alice David
+
+do
+        getTransactions = ->
+                {
+                        {id: "T1", amount: 100}
+                        {id: "T2", amount: 200}
+                        {id: "T3", amount: 300}
+                }
+
+        :id, :amount = getTransactions![#]
+        assert id == "T3"
+        assert amount == 300
+
+do
+        [
+                _
+                ...middle
+                _
+        ] = tb
+
+do
+        {a, :abc, b, :def, ...sub, d, e} = tb
+
 nil
 
diff --git a/spec/inputs/lists.yue b/spec/inputs/lists.yue
index 921cae0..c493b68 100644
--- a/spec/inputs/lists.yue
+++ b/spec/inputs/lists.yue
@@ -87,4 +87,51 @@ do
         [a, b] = hello
         [name = "nameless", job = "jobless"] = person
 
+do
+        transactions = ["T001", "T002", "T003", "T004", "T005"]
+        middleTransactions = transactions[2, -2]
+        print middleTransactions -- => {"T002", "T003", "T004"}
+
+do
+        logs =
+                - start: 0, end: 100
+                - start: 100, end: 200
+                - start: 200, end: 123
+        print logs[#].end -- => 123
+
+do
+        pendingOrders = ["O001", "O002", "O003", "O004"]
+        print pendingOrders[# - 1] -- => "O003" 
+
+do
+        getOrders = ->
+                {
+                        { id: "O1001", status: "pending" }
+                        { id: "O1002", status: "processing" }
+                        { id: "O1003", status: "done" }
+                }
+
+        lastStatus = getOrders()[#].status
+        assert lastStatus == "done"
+
+do
+        cloneList1 = (list) -> list[,]
+        cloneList2 = (list) -> [...list,]
+        cloneTable = (tb) -> {...tb}
+
+do
+        print(
+                globalTB[#]
+                a.b.c[# - 2]
+                x?\y?!.z?[# - 3]
+        )
+
+do
+        f = ->
+                print(
+                        globalTB[#]\end 123
+                        a.b.c[5,-5][# - 2]
+                        x?\y?!.z?[# - 3]?[, -3]
+                )
+
 nil
diff --git a/spec/inputs/switch.yue b/spec/inputs/switch.yue
index 5097db3..2b0669c 100644
--- a/spec/inputs/switch.yue
+++ b/spec/inputs/switch.yue
@@ -272,4 +272,21 @@ do
                 else
                         print "not matched"
 
+do
+        clientData = ["Meta", "CUST_1001", "CHK123"]
+        switch clientData
+                when [...metadata, customerId, checksum]
+                        print metadata -- {"Meta"}
+                        print customerId -- "CUST_1001"
+                        print checksum -- "CHK123"
+
+do
+        handlePath = (segments) ->
+                switch segments
+                        when [..._, resource, action]
+                                print "Resource:", resource
+                                print "Action:", action
+
+        handlePath ["admin", "logs", "view"]
+
 nil