|
<chr> | (<mag>) | C |
|
alpha? | (x|<chr> => <log>) | G |
|
| returns true iff x is one of the ASCII upper or
lowercase characters. | |
|
digit? | (x|<chr> => <log>) | G |
|
| returns true iff x is one of the ten ASCII numeric characters. | |
|
lower? | (x|<chr> => <log>) | G |
|
| returns true iff x is one of the ASCII lowercase characters. | |
|
upper? | (x|<chr> => <log>) | G |
|
| returns true iff x is one of the ASCII uppercase characters. | |
|
to-digit | (x|<chr> => <int>) | G |
|
| converts ascii representation of digit to an integer one. | |
|
to-lower | (x|<chr> => <chr>) | G |
|
| returns lowercase version of uppercase alphabetic
characters otherwise returns x. | |
|
to-upper | (x|<chr> => <chr>) | G |
|
| returns uppercase version of lowercase alphabetic
characters otherwise returns x. | |
|
|
