Data update

Task/Conditional-structures/ArkScript/conditional-structures.ark

@@ -0,0 +1,20 @@
+(if (> (+ 5 4) 7)
+  # then
+  (print "5+4 > 7")
+  # else
+  (print "something has gone terribly wrong"))
+
+(if (not true)
+  {
+    # this is a serie of expressions inside the 'then' block of the conditional
+    (print "true is... not true?")
+    (foo bar 5)
+    (+ 5 4) }
+  {
+    # the 'else' block can also have multiple expressions in it
+    (print "something")
+    (print "is weird") })
+
+# conditions can be used as expressions too
+(let n (if (> 5 6) "error" "5 < 6"))
+(print n)

Task/Conditional-structures/DuckDB/conditional-structures-1.duckdb

@@ -0,0 +1 @@
+CASE WHEN cond THEN x ELSE y END;

Task/Conditional-structures/DuckDB/conditional-structures-2.duckdb

@@ -0,0 +1 @@
+CASE value [WHEN x THEN y]+ ELSE z END;

Task/Conditional-structures/DuckDB/conditional-structures-3.duckdb

@@ -0,0 +1 @@
+SELECT CASE x WHEN (x IS NULL) THEN 'null' ELSE 'nonnull' END FROM (SELECT null as x);

Task/Conditional-structures/Pluto/conditional-structures.pluto

@@ -0,0 +1,29 @@
+local val = 1
+if val > 2 then
+   print("a")
+elseif val == 2 then
+   print("b")
+else
+   print("c")
+end
+
+val = 123
+switch val do
+   case 1: print(1); break
+   case 2: print(2); break
+   default: print(123)
+end
+
+-- Hash-based conditionals
+local t = {
+   ["one"] = function() print("one") end,
+   ["two"] = function() print("two") end
+}
+-- (default)
+setmetatable(t, {
+  __index = function(_) print("default") return function() end end
+})
+
+t["one"]()
+t["two"]()
+t["100000"]()

Task/Conditional-structures/TAV/conditional-structures-1.tav

@@ -0,0 +1,4 @@
+  ? i < 0
+    i =: 0
+  |
+    i =: 42

Task/Conditional-structures/TAV/conditional-structures-2.tav

@@ -0,0 +1,5 @@
+\C
+  if i < 0
+    i = 0
+  else
+    i = 42

Task/Conditional-structures/TAV/conditional-structures-3.tav

@@ -0,0 +1 @@
+i =: ?( i<0 ?! 0 ?: 42 ?)