Data update

Task/Inverted-syntax/Ada/inverted-syntax.adb

@@ -0,0 +1,5 @@
+Foo := 1;
+loop
+   exit when Foo = 10;
+   Foo := Foo + 1;
+end loop;

Task/Inverted-syntax/Crystal/inverted-syntax.cr

@@ -0,0 +1,21 @@
+if condition
+  statement
+end
+# can be written as:
+statement if condition   # the same with unless
+
+v = begin
+      expression
+    rescue
+      value
+    end
+# can be written as:
+v = expression rescue value
+
+begin
+  statement
+ensure
+  always_run
+end
+# can be written as:
+statement ensure always_run

Task/Inverted-syntax/Pluto/inverted-syntax.pluto

@@ -0,0 +1,22 @@
+class ibool
+    function __construct(b)
+        assert(type(b) == "boolean", "argument must be a boolean")
+        self.b = b
+    end
+
+    function iff(cond) return cond ? self.b : not self.b end
+end
+
+local itrue = new ibool(true)
+
+local need_umbrella
+local raining = true
+
+-- Normal syntax.
+if raining then need_umbrella = true end
+print($"Is it raining? {raining}. Do I need an umbrella? {need_umbrella}")
+
+-- Inverted syntax.
+raining = false
+need_umbrella = itrue:iff(raining)
+print($"Is it raining? {raining}. Do I need an umbrella? {need_umbrella}")

Task/Inverted-syntax/PowerShell/inverted-syntax-1.ps1

@@ -0,0 +1 @@
+if ((Get-Date 5/27/2016).DayOfWeek -eq "Friday") {"Thank God it's Friday!"}

Task/Inverted-syntax/PowerShell/inverted-syntax-2.ps1

@@ -0,0 +1,8 @@
+function Action ([scriptblock]$Expression, [Alias("if")][bool]$Test)
+{
+    if ($Test) {&$Expression}
+}
+
+Set-Alias -Name say -Value Action
+
+say {"Thank God it's Friday!"} -if (Get-Date 5/27/2016).DayOfWeek -eq "Friday"