control-flow doc fixes

Author: cyteon

web/src/lib/tour/pages/break-continue.md

@@ -1,4 +1,4 @@
-# Break & Countinue
+## Break & Countinue
 Break and continue is used to control the flow of loops. `break;` will exit the loop, while `continue;` will skip to the next iteration of the loop.
 
 [CODE]

web/src/lib/tour/pages/for-loops.md

@@ -1,4 +1,4 @@
-# For Loops
+## For Loops
 For loops can iterate on ranges (`x..y` / `x..=y`) and arrays.
 
 [CODE]

web/src/lib/tour/pages/if-else.md

@@ -1,14 +1,21 @@
 ## If / Else
 If statements will run the code of a branch if the condition is true, and if all are false the else branch will run (if it exists).
 
+The following operators can be used in conditions:
+- `==` `!=` `>` `<` `>=` `<=`
+- `and`, `or`, `!`
+- `in`, `not in`
+
 [CODE]
+let x = 5;
+
 // the condition is true so the first branch will run
-if true {
+if x > 0 {
     print("true");
 }
 
 // the condition is false so the else branch will run
-if false {
+if x < 2 {
     print("false");
 } else {
     print("something else");
@@ -17,8 +24,33 @@ if false {
 // the condition is false but the else if condition is true so the else if branch will run
 if false {
     print("false");
-} else if true {
+} else if x == 5 {
     print("true");
 } else {
     print("false");
+}
+
+// both sides have to be true for the branch to run
+if (x != 0) and (x < 10) {
+    print("true");
+}
+
+// either side can be true for the branch to run
+if (x == 5) or (x == 10) {
+    print("true");
+}
+
+// runs as 5 is a value of the array [4, 5, 6]
+if x in [4, 5, 6] {
+    print("true");
+}
+
+// runs as 5 is not a value of the array [1, 2, 3]
+if x not in [1, 2, 3] {
+    print("true");
+}
+
+// we use ! to negate a condition
+if !false {
+    print("true");
 }

web/src/lib/tour/pages/infinite-loops.md

@@ -1,4 +1,4 @@
-# Infinite Loops
+## Infinite Loops
 Infinite loops keep running until you stop them.
 
 [CODE]

web/src/lib/tour/pages/stdlib-json.md

@@ -1,4 +1,4 @@
-# JSON
+## JSON
 Modu comes with a JSON library, but its only used for parsing json. Most
 
 [CODE]

web/src/lib/tour/pages/while-loops.md

@@ -1,4 +1,4 @@
-# While Loops
+## While Loops
 Keep doing something while a condition is true.
 Condition is calculated before each iteration.