Add a few examples

examples/assignment.rhai

@@ -0,0 +1,2 @@
+var x = 78
+print(x)

examples/function_decl1.rhai

@@ -0,0 +1,5 @@
+fn bob() {
+    3
+}
+
+print(bob())

examples/function_decl2.rhai

@@ -0,0 +1,5 @@
+fn addme(a, b) {
+    a+b
+}
+
+print(addme(3, 4))

examples/if1.rhai

@@ -0,0 +1,5 @@
+var a = true;
+if (a) {
+    var x = 56;
+    print(x);
+}

examples/op1.rhai

@@ -0,0 +1 @@
+print(34 + 12)

examples/op2.rhai

@@ -0,0 +1 @@
+print(12 + 34 * 5)

examples/op3.rhai

@@ -0,0 +1 @@
+print(0 + (12 + 34) * 5)

examples/speed_test.rhai

@@ -0,0 +1,5 @@
+var x = 1000000;
+while x > 0 {
+    x = x - 1;
+}
+print(x);

examples/while.rhai

@@ -0,0 +1,6 @@
+var x = 10;
+
+while x > 0 {
+    print(x);
+    x = x - 1;
+}

src/main.rs

@@ -12,11 +12,9 @@ use fn_register::FnRegister;
 mod parser;
 
 // Todo (in no particular order):
-// * Function in script
 // * Doc some examples
 // * String constants
 // * Remove empty box values?
-// * Refactor identifer to not require inlining of clone lookup in engine?
 
 fn showit<T: Display>(x: &mut T) -> () {
     println!("{}", x)
@@ -25,7 +23,7 @@ fn showit<T: Display>(x: &mut T) -> () {
 fn main() {
     for fname in env::args().skip(1) {
         let mut engine = Engine::new();
-        
+
         &(showit as fn(x: &mut i32)->()).register(&mut engine, "print");
         &(showit as fn(x: &mut i64)->()).register(&mut engine, "print");
         &(showit as fn(x: &mut u32)->()).register(&mut engine, "print");