From 4c7a23867edd4fa318ff65e375916e33e894de86 Mon Sep 17 00:00:00 2001
From: Teascade <teascadius15@gmail.com>
Date: Sun, 27 Aug 2017 00:07:20 +0000
Subject: [PATCH] Replace exists-keyword with ?-operator

---
 README.md | 25 +++++--------------------
 1 file changed, 5 insertions(+), 20 deletions(-)

diff --git a/README.md b/README.md
index 2d9d9c4..7431492 100644
--- a/README.md
+++ b/README.md
@@ -105,6 +105,9 @@ These are the operators ofthen called as "conditions" and most commonly used in
 - `!` Not unary operator. Negates the value associated with it.
   - `!true` returns false
   - `!(true ^ true)` returns true
+- `?` Optional-exists unary operator. Checks weather the operator-wrapped value before the operator is empty or not.
+  - `empty?` returns false. See [`empty`](#empty)-keyword
+  - `optional?` returns true, if optional contains a value.
 
 ### Arithmetic operators
 Arithmetic operators are operators used to do math calculations such as addition or multiplication. any integer or float -based types can be used together.
@@ -125,7 +128,6 @@ Arithmetic operators are operators used to do math calculations such as addition
   - `2 % 3` returns 2
   - `6 % 2` returns 0
 
-
 ### Assignment operators
 Assignment operators are a special kind of operator used assign values to variables.  
 The most basic type of assignment operator being of course `=`.  
@@ -195,7 +197,6 @@ The following keywords are specified to execute an action.
 - [`continue`](#continue) skips the rest of the loop's body for a new iteration.
 - [`unwrap`](#unwrap) unwraps an optional-type variable.
 - [`some`](#some) wraps a variable into an optional.
-- [`exists`](#exists) tests weather an optional is not empty.
 - [`empty`](#empty) value to set in an optional variable.
 - [`as`](#as) casts the leftside value into the type on the rightside of this keyword.
 - [All operators](#operators) are also somewhat considered as keywords.
@@ -359,27 +360,11 @@ let optional: i32? = some number;
 - Some must be followed by a variable. The variable is then wrapped into an optional and the optional is returned.
 - There must be a space between the `some` and the variable.
 
-#### `exists`
-Exists is a keyword that is used to check weather an optional variable contains a value or not.
-```
-let optional: i32? = something();
-if (optional exists) {
-  // optional contains a value
-} else {
-  // optional is empty.
-}
-
-let op_exists: boolean = optional exists;
-```
-- Unlike `unwrap` and `some`, `exists` must follow the optional value. Exists-keyword then returns the result as a boolean.
-- There must be a space between the optional and `exists`
-- If `exists` is after a non-optional variable, an exeption occurs.
-
 #### `empty`
 Empty is the keyword used to set an optional as empty (to not contain a value).
 ```
 let optional: i32? = empty;
-if (optional exists) {
+if (optional?) {
   // Never executed
 } else {
   // Executed, since optional is empty
@@ -395,7 +380,7 @@ As is the keyword used when you need to cast a variable to another. It will retu
 let long: i64 = 5;
 let int_opt: i32? = long as i32;
 let int = 0;
-if (int_opt exists) {
+if (int_opt?) {
   int = unwrap int_opt;
 } else {
   // Cast failed