examples: Fixes here and there

Author: hexaredecimal

examples/errors.pics

@@ -1,15 +1,15 @@
 
 IO :: import std.io
-Error :: import std.errors { Error { new, getValueOr } }
+Error :: import std.errors { Error { error, success, getValueOr } }
 
 safeDiv :: (x, y) =
   when (x, y) {
-    is (_, 0) -> Error::new("Divide by zero")
+    is (_, 0) -> Error::error("Divide by zero")
     else -> Error::success(x / y)
   }
 
 result := Error::getValueOr(
-  safeDiv(50, 0),
+  safeDiv(50, 2),
   |err| -> -1
 )
 

examples/files.pics

@@ -9,7 +9,7 @@ getContents :: ({fileName: path}) =
    result := file catch return Error::error("Failed to read file: {err}")
  in Error::success(result)
 
-result := getContents({fileName: "main.pics"}) catch err
+result := getContents({fileName: "pom.xmlz"}) catch err
 IO::println(result)
 
 

examples/iter.pics

@@ -1,9 +1,9 @@
 
 import std.io
-import std.array
-import std.proc.loops
+import std.list
+import std.proc.loop
 
-arr := Array::fromRange(1, 5)
+arr := List::fromRange(1, 5)
 
 Loops::forEach(arr, |item| -> do {
   IO::println(item)

examples/showcase.pics

@@ -11,12 +11,15 @@ song := "Feel good Inc"
 
 // Arrays
 numbers := [1,2,3]
-first := numbers.0
+first := numbers[0]
 joined := first:numbers
 
+IO::println(first)
+
 // Tuples
 numbers := (1,2,3)
 first := numbers[0]
+IO::println(first)
 
 
 

examples/virtual4.pics

@@ -4,23 +4,24 @@ Args  :: import std.args
 List :: import std.list
 Virtual :: import std.virtual
 
-#[Virtual]
-getUser :: (0) = 
+getUser :: (0) = Virtual::task(|_| -> do { 
   let
     userId := "Admin:{id}"
   in do {
     Virtual::sleep(100 * id)
     {user: userId, id: id, root: true}
   }
+})
 
-#[Virtual]
-getUser :: (id) = 
+
+getUser :: (id) = Virtual::task(|_| -> do {
   let
     userId := "User:{id}"
   in do {
     Virtual::sleep(100 * id)
     {user: userId, id: id}
   }
+})
 
 getUsers :: (end=1) = 
   let