doc: update README status

README.md

@@ -27,8 +27,11 @@ The goal is to produce idiomatic, maintainable Go code as part of a one-off conv
 [X] `null` -> `nil`
 [X] Consts and `define()`
 	- [X] Magic constants (`__LINE__`,`__FILE__` etc)
+	- [ ] Predefined constants (`PHP_VERSION`, `PHP_EOL`, `PHP_OS`, `PHP_INT_MAX` etc)
 [ ] `isset`/`unset`
 [ ] `instanceof`
+[X] Ternary expressions
+	- Implemented as inline closure
 [X] `die`
 [X] `try`/`catch`/`finally`
 	- [X] Implement using err checks, not panic/recover		
@@ -91,23 +94,23 @@ The goal is to produce idiomatic, maintainable Go code as part of a one-off conv
 	- [ ] Type declarations for literals (string, slice/map with constant initializer, etc)
 	- [ ] Convert known PHP typenames to Go equivalents
 	- [ ] Parse extra types from phpdoc blocks
-[ ] Hoisting pass for rvalue expressions
+[X] Hoisting pass for rvalue expressions
+	- [X] Preincrement statements
 	- [ ] Behaviour of function calls in rvalue cases where err cannot be checked
 	- [ ] Assignment expressions
 		- [ ] Alternately - we can support the form `if foo := bar(); foo {` 
-	- [ ] Ternarys
 [ ] Simple standard library transformations
 	- [X] common string/array functions
 	- [ ] More string/array functions
 		- [ ] Top 100 from https://www.exakat.io/top-100-php-functions/ 
-	- [ ] substr -> slice index operator
-		- This has the same value semantics for string literals, but not variables
+	- [X] substr -> slice index operator
+		- This has the same value semantics for ~~string literals, but not variables~~ all cases
 	- [ ] error_reporting(E_ALL) --> just remove it
 	- [ ] ini_set('display_errors', 'On') --> remove it when the parameter is known
 [ ] Elide error return for functions that cannot throw
 	- ?? Could be a standalone Go refactoring tool
 
-### Wishlist
+### Moonshots
 
 [ ] Extended library/environment transformations
 	- [ ] Standard library transformations