Add tasks for all the new languages

Task/Named-parameters/Lasso/named-parameters.lasso

@@ -0,0 +1,16 @@
+define mymethod(
+	-first::integer, // with no default value the param is required
+	-second::integer,
+	-delimiter::string = ':' // when given a default value the param becomes optional
+) => #first + #delimiter + #second
+
+mymethod(
+	-first = 54,
+	-second = 45
+)
+'<br />'
+mymethod(
+	-second = 45, // named params can be given in any order
+	-first = 54,
+	-delimiter = '#'
+)

Task/Named-parameters/Lingo/named-parameters.lingo

@@ -0,0 +1,22 @@
+-- accepts either 3 integers or a single property list
+on foo (arg1, arg2, arg3)
+  if ilk(arg1)=#propList then
+    args = arg1
+    arg1 = args[#arg1]
+    arg2 = args[#arg2]
+    arg3 = args[#arg3]
+  end if
+  put "arg1="&arg1
+  put "arg2="&arg2
+  put "arg3="&arg3
+end
+
+foo(1,2) -- 3rd argument omitted
+-- "arg1=1"
+-- "arg2=2"
+-- "arg3="
+
+foo([#arg3:3]) -- only 3rd argument specified
+-- "arg1="
+-- "arg2="
+-- "arg3=3"

Task/Named-parameters/Nim/named-parameters.nim

@@ -0,0 +1,4 @@
+proc subtract(x, y): auto = x - y
+
+echo subtract(5, 3)         # used as positional parameters
+echo subtract(y = 3, x = 5) # used as named parameters

Task/Named-parameters/Phix/named-parameters.phix

@@ -0,0 +1,9 @@
+global function timedelta(atom weeks=0, atom days=0, atom hours=0, atom minutes=0, atom seconds=0, atom milliseconds=0, atom microseconds=0)
+-- can be invoked as:
+constant fourdays = timedelta(days:=4)
+--       fourdays = timedelta(0,4) -- equivalent
+-- **NB** a plain '=' is a very different thing
+constant oneday = timedelta(days=1) -- equivalent to timedelta([weeks:=]iff((equal(days,1)?true:false))
+                                    -- - with an error if no local variable days exists.
+constant shift = timedelta(hours:=hours) -- perfectly valid (param hours:=local hours)
+-- timedelta(0,hours:=15,3) -- illegal (it is not clear whether you meant days:=3 or minutes:=3)

Task/Named-parameters/Sidef/named-parameters.sidef

@@ -0,0 +1,6 @@
+func example(foo: 0, bar: 1, grill: "pork chops") {
+    say "foo is #{foo}, bar is #{bar}, and grill is #{grill}";
+}
+
+# Note that :foo is omitted and :grill precedes :bar
+example(grill: "lamb kebab", bar: 3.14);

Task/Named-parameters/Swift/named-parameters-1.swift

@@ -0,0 +1,4 @@
+func isGreater(x x:Int, thanY y:Int) -> Bool {
+    return x > y
+}
+assert(isGreater(x: 5, thanY: 10) == false)

Task/Named-parameters/Swift/named-parameters-2.swift

@@ -0,0 +1,4 @@
+func isGreater(x:Int, _ y:Int) -> Bool {
+    return x > y
+}
+assert(isGreater(5, 10) == false)

Task/Named-parameters/jq/named-parameters-1.jq

@@ -0,0 +1,7 @@
+def formatName(obj):
+  ({ "name": "?"} + obj) as $obj  # the default default value is null
+  | ($obj|.name) as $name
+  | ($obj|.first) as $first
+  | if ($first == null) then $name
+    else $name + ", " + $first
+    end;

Task/Named-parameters/jq/named-parameters-2.jq

@@ -0,0 +1,9 @@
+formatName({"first": "George", "name": "Eliot"})
+
+formatName({"name": "Eliot", "first": "George"})
+
+formatName({"name": "Eliot"})
+
+formatName({"first": "George"})
+
+formatName({})