Refine example scripts.

scripts/array.rhai

@@ -5,5 +5,4 @@ print(x[1]);
 
 x[1] = 5;
 
-print("x[1] should be 5:");
-print(x[1]);
+print(`x[1] should be 5: ${x[1]}`);

scripts/assignment.rhai

@@ -1,4 +1,5 @@
 print("x should be 78:");
 
 let x = 78;
+
 print(x);

scripts/comments.rhai

@@ -8,4 +8,4 @@ let /* I am a spy in a variable declaration! */ x = 5;
 
 /* look /* at /* that, /* multi-line */ comments */ can be */ nested */
 
-/* surrounded by */ x // comments
+/* surrounded by */ this_is_not_a_comment = true // comments

scripts/function_decl1.rhai

@@ -4,6 +4,6 @@ fn bob() {
     return 3;
 }
 
-print("bob() should be 3:");
+let result = bob();
 
-print(bob());
+print(`bob() should be 3: ${result}`);

scripts/function_decl2.rhai

@@ -7,10 +7,8 @@ fn addme(a, b) {
     a + b;              // notice that the last value is returned even if terminated by a semicolon
 }
 
-print("addme(a, 4) should be 46:");
+let result = addme(a, 4);
 
-print(addme(a, 4));
+print(!addme(a, 4) should be 46: ${result}``);
 
-print("a should still be 3:");
-
-print(a);               // should print 3 - 'a' is never changed
+print(`a should still be 3: ${a}`);     // should print 3 - 'a' is never changed

scripts/loop.rhai

@@ -10,3 +10,5 @@ loop {
 
 	if x <= 0 { break; }
 }
+
+export x as foo;

scripts/mat_mul.rhai

@@ -12,11 +12,11 @@ fn new_mat(x, y) {
 
 fn mat_gen(n) {
     let m = new_mat(n, n);
-    let tmp = 1.0 / n.to_float() / n.to_float();
+    let tmp = 1.0 / n / n;
 
     for i in range(0, n) {
         for j in range(0, n) {
-            m[i][j] = tmp * (i.to_float() - j.to_float()) * (i.to_float() + j.to_float());
+            m[i][j] = tmp * (i - j) * (i + j);
         }
     }
 	

scripts/module.rhai

@@ -1,3 +1,3 @@
-import "loop";
+import "loop" as x;
 
-print("Module test!");
+print(`Module test! foo = ${x::foo}`);

scripts/op2.rhai

@@ -1,4 +1,5 @@
 print("The result should be 182:");
 
 let x = 12 + 34 * 5;
+
 print(x);

scripts/op3.rhai

@@ -1,4 +1,5 @@
 print("The result should be 230:");
 
 let x = (12 + 34) * 5;
+
 print(x);

scripts/string.rhai

@@ -34,4 +34,13 @@ made using multi-line literal
 
 print(s);
 
+// Interpolation
+let s = `This is interpolation ${
+            let x = `within ${let y = "yet another level \
+                                       of interpolation!"; y} interpolation`;
+            x
+} within literal string.`;
+
+print(s);
+
 print(">>> END <<<");