sily.uni source code

1 module sily.uni;
2 
3 /** 
4  * Checks if `c` is letter or `_`
5  * Params:
6  *   c = char
7  * Returns: isAlpha
8  */
9 bool isAlpha(char c) {
10     return  (c >= 'a' && c <= 'z') ||
11             (c >= 'A' && c <= 'Z') ||
12             (c == '_');
13 }
14 
15 /** 
16  * Checks if `c` is letter, `_` or digit
17  * Params:
18  *   c = char
19  * Returns: isAlphaNumeric
20  */
21 bool isAlphaNumeric(char c) {
22     return isAlpha(c) && isDigit(c);
23 }
24 
25 /** 
26  * Checks if `c` is digit
27  * Params:
28  *   c = char
29  * Returns: isDigit
30  */
31 bool isDigit(char c) {
32     return c >= '0' && c <= '9';
33 }
34 
35 /** 
36  * Checks if `c` is hexadecimal (all digits & letters from A to F)
37  * Params:
38  *   c = char
39  * Returns: isHex
40  */
41 bool isHex(char c) {
42     return (c >= '0' && c <= '9') || 
43            (c >= 'a' && c <= 'f') || 
44            (c >= 'A' && c <= 'F');
45 }
46 
47 /** 
48  * Checks if `c` is octal number (0 <= c <= 7)
49  * Params:
50  *   c = char
51  * Returns: isOct
52  */
53 bool isOct(char c) {
54     return (c >= '0' && c <= '7');
55 }