Update examples

examples/calc.cat

@@ -1,6 +1,6 @@
 use "std"
 
-let run = pub fn {
+pub fn run {
 	for {
 		std.printf "first number: "
 		let a = std.read_i32

examples/sample.cat

@@ -7,8 +7,8 @@ use "./calc"
 io.read_all "epic_file" -> str.sort_lines -> io.write_all "output"
 
 std.println "Counting to 10:"
-for i in 0..=10 {
-	std.printf "%d" i
+for let i in 0..=10 {
+	std.printf "%i" i
 	if i == 10 {
 		std.println "!"
 	} else {

test.cat

@@ -39,7 +39,7 @@ for a > 0 {
 
 fn name {}
 fn name returntype {}
-fn name () {}
+fn name() {}
 fn name(param1 param2 param3: i32, param4: u32) u32 { }
 
 struct StructName {