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examples/sandbox/dynamic_array.lc

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+ArrayOfName :: struct {
+    data: *Name;
+    len:   int;
+    cap:   int;
+}
+
+TryGrowingNameArray :: proc(arr: *ArrayOfName) {
+    if (arr.len + 1 > arr.cap) {
+        cap := arr.cap * 2;
+        if (cap == 0) cap = 16;
+
+        arr.data = libc.realloc(arr.data, sizeof(arr.data[0]) * :libc.size_t(cap));
+        arr.cap  = cap;
+    }
+}
+
+AddName :: proc(arr: *ArrayOfName, item: Name) {
+    TryGrowingNameArray(arr);
+    arr.data[arr.len] = item;
+    arr.len += 1;
+}
+
+InsertName :: proc(a: *ArrayOfName, item: Name, index: int) {
+    if index == a.len {
+        AddName(a, item);
+        return;
+    }
+
+    libc.assert(index < a.len);
+    libc.assert(index >= 0);
+
+    TryGrowingNameArray(a);
+    right_len := :libc.size_t(a.len - index);
+    libc.memmove(&a.data[index + 1], &a.data[index], sizeof(a.data[0]) * right_len);
+    a.data[index] = item;
+    a.len += 1;
+}
+
+GetLastName :: proc(a: ArrayOfName): *Name {
+    libc.assert(a.len > 0);
+    result := &a.data[a.len - 1];
+    return result;
+}
+
+PopName :: proc(a: *ArrayOfName): Name {
+    a.len -= 1;
+    result := a.data[a.len];
+    return result;
+}