update readme

Author: YesDrX

README.md

@@ -57,7 +57,9 @@ when isMainModule:
     a = 0000000000000000000000000000000000000000000000000000000000000000000000
     b = 0000000000000000000000000000000000000000000000000000000000000000000000
 set bits ...
+set [0,1,2,3,4,69]-th bit of a
     a = 1111100000000000000000000000000000000000000000000000000000000000000001
+set [6,7,8,9,65]-th bit of a
     b = 0000001111000000000000000000000000000000000000000000000000000000010000
 a & b = 0000000000000000000000000000000000000000000000000000000000000000000000
 a | b = 1111101111000000000000000000000000000000000000000000000000000000010001
@@ -71,11 +73,10 @@ a.shr(1) =0111110000000000000000000000000000000000000000000000000000000000000000
 a.shr(2) =0011111000000000000000000000000000000000000000000000000000000000000000
 a.shr(3) =0001111100000000000000000000000000000000000000000000000000000000000000
 a.shr(69)=0000000000000000000000000000000000000000000000000000000000000000000001
-basic types
-1001111111111111111111111111111111111111111111111111111111111111
-1110000000000000000000000000000000000000000000000000000000000000
-1000011101011110001010000111010111100010100001110001111111111101
-1000011101011110001010000111010111100010100001110001111111111100
-1001111111111111
-1110000000000000
+expand a to 100 bits: 1111100000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000
+127.uint32.toBitsArray = 11111110000000000000000000000000
+127.uint32.toBitsArray.reverseBits = 00000000000000000000000001111111
+127.uint32.toBitsArray.reverseBits.reverseBits = 11111110000000000000000000000000
+(uint32.high-3).toBitsArray = 00111111111111111111111111111111
+(uint32.high-3).toBitsArray.reverseBits = 11111111111111111111111111111100
 ```