upd readme

docs/readme.md

@@ -47,7 +47,7 @@ Compiler `dopp` for `doppelganger`
 Language `DEF-lang` for  
 `[based on] Dlang [and influenced by / inspiration from] Erlang [new] Fine language`.  
 
-File extension - `*.de` (because `de` is more short than `def`).  
+File extension - `*.de` (because `de` shorter than `def`).  
 
 
 
@@ -234,9 +234,13 @@ todo more examples -- with switch case dlang
 
 ## 2.5 aliases for imports, externs etc
 ```
-use std [ stdio array string algorithm ] as use_std // definition at the beginning of the file
+// definition at the beginning of the file
+use as use_std
+    std [ stdio array string algorithm ]
 
-use use_std // allows use elsewhere in the file -- generate next code in this position in the target .d file
+
+// allows use elsewhere in the file -- generate next code in this position in the target .d file
+use use_std
 
 ->
 
@@ -251,17 +255,18 @@ use core.stdc.stdio [ printf scanf ]
     std.conv [ to ]
 
 ->
+
 import core.stdc.stdio : printf, scanf;
 import std.conv : to;
 ```
 
 ```
-use as use_std1
+use as use1
     core.stdc.stdio [ printf scanf ]
     std.conv [ to ]
 
 
-use_std1 // use elsewhere in the file
+use1 // use elsewhere in the file
 
 ->
 import core.stdc.stdio : printf, scanf;
@@ -302,7 +307,7 @@ void _start(){  }
 
 ```
 // wasm import from js
-wuse print int a
+void print int a
 
 ->
 
@@ -310,7 +315,44 @@ void print(int a);
 ```
 
 
-## 2.7 code between ```dlang``` reserved words translates into target .d file without changes
+## 2.7 data types aliases
+```
+// signed
+i8   ->   byte     //                  -128 — 127
+i16  ->   short    //                -32768 — 32767
+i32  ->   int      //           -2147483648 — 2147483647
+i64  ->   long     //  -9223372036854775808 — 9223372036854775807
+
+// unsigned
+u8   ->   ubyte    //  0 — 255
+u16  ->   ushort   //  0 — 65535
+u32  ->   uint     //  0 — 4294967295
+u64  ->   ulong    //  0 — 18446744073709551615
+
+// 128 not exists  //  0 — 340282366920938463463374607431768211455
+
+f32  ->   float
+f64  ->   double
+f128 ->   real     // up to 128 bit
+```
+
+```
+// todo mv to code
+alias i8 = char;
+alias i16 = short;
+alias i32 = int;
+alias i64 = long;
+alias u8 = uchar;
+alias u16 = ushort;
+alias u32 = uint;
+alias u64 = ulong;
+alias f32 = float;
+alias f64 = double;
+alias f128 = real;
+```
+
+
+## 2.8 code between ```dlang``` reserved words translates into target .d file without changes
 ```
 ...
 
@@ -324,7 +366,7 @@ dlang
 ```
 
 
-## 2.8 reserved words (keywords) list
+## 2.9 reserved words (keywords) list
 including https://dlang.org/spec/lex.html#keywords  
 ```
 abstract alias align asm assert auto 
@@ -374,6 +416,8 @@ __VERSION__
 dlang
 use
 as
+case
+sw case
 ```
 todo