doc: sample: remove var keyword

doc/sample/Expressions.im

@@ -1,30 +1,30 @@
-var y = 1 + 2 * 3 / 4 * 5 - 6 + 7 multiplyBy:2.
-var z = w = 2 + 3 multiplyBy:2.
-var x = (((1 + 2 * 3) multiplyBy:3) add: 5) + 2.
+y = 1 + 2 * 3 / 4 * 5 - 6 + 7 multiplyBy:2.
+z = w = 2 + 3 multiplyBy:2.
+x = (((1 + 2 * 3) multiplyBy:3) add: 5) + 2.
 x = ((1 + 2 * 3) multiplyBy:3).
-var p = 5 multiply(by:3 add:(2 + 1)).
-var q = 10 squared squared.
+p = 5 multiply(by:3 add:(2 + 1)).
+q = 10 squared squared.
 
 p1
     setAge:2 squared squared + 4 squared multiply(by:2 add:4 + 1 * 3)
     in:"mon" + "ths".
 
-var m = xz multiply(by:3 add:2) squared.
+m = xz multiply(by:3 add:2) squared.
 
 m = xz multiply(by:3 add:2); squared.
 
-var x = OrderedCollection new
+x = OrderedCollection new
 	add: 2;
 	add: 4;
 	add: 6;
 	yourself.
 
-var age = Person new(name:"John Doe" age:34)
+age = Person new(name:"John Doe" age:34)
     setAge:144 inUnit:"months";
     ageInMonths.
 
 x = 5.
-var q = 10 if x > 2 else 20.
+q = 10 if x > 2 else 20.
 q = if x > 2 then 10 else 20 end.
 
 cout put:5 multiply(by:5 add:2) if x > 2.
@@ -35,7 +35,7 @@ else
 	cout put:"Less"
 end
 
-var q = match yz in
+q = match yz in
 	1 => age = age,
 	2 => age = age / 12,
 	3 => age = age / 365,
@@ -53,14 +53,14 @@ end
 cout put:"message" while x > 2.
 cout put:'Count is {i}' for i in 0 to:100 step:2.
 
-var z = do
-    var x = 1.
-    var y = 2.
+z = do
+    x = 1.
+    y = 2.
     ^x + y
 end.
 
-var j = [ cout put:'Hello!' ].
-var k = [ :x :y | cout put:'Hello, {x}, {y}!' ].
+j = [ cout put:'Hello!' ].
+k = [ :x :y | cout put:'Hello, {x}, {y}!' ].
 
 x > 2
     if:[ cout put:'True' ]
@@ -70,7 +70,7 @@ x > 2
 
 p1 test(param:'Hello' :'World').
 
-var pkg = {}.
+pkg = {}.
 pkg = { 0 }.
 pkg = { 1, 2, 3, 4, 5 }.
 pkg = { 10, 2 => "Hello", 9, 5 => "World", 14 }.
@@ -92,11 +92,11 @@ pkg['x'] = 32.
 pkg->x = 32.
 pkg at:'x' put:32.
 
-var v = pkg['x'].
+v = pkg['x'].
 v = pkg->x.
 v = pkg at:'x'.
 
-var pkg2 = {
+pkg2 = {
     onEnter => [
         cout put:'start!'
     ],
@@ -106,6 +106,6 @@ var pkg2 = {
     ]
 }.
 
-var index = 'x'.
+index = 'x'.
 pkg[index] = 32.
-pkg at:index put:32.
+pkg at:index put:32