20 |
|
|
21 |
* Changes to Scheme functions and syntax |
* Changes to Scheme functions and syntax |
22 |
|
|
23 |
|
** New function 'unsetenv'. |
24 |
|
|
25 |
** There is support for Infinity and NaNs. |
** There is support for Infinity and NaNs. |
26 |
|
|
27 |
Following PLT Scheme, Guile can now work with infinite numbers, and |
Following PLT Scheme, Guile can now work with infinite numbers, and |
47 |
(/ 0) |
(/ 0) |
48 |
ERROR: Numerical overflow |
ERROR: Numerical overflow |
49 |
|
|
50 |
|
Two new predicates 'inf?' and 'nan?' can be used to test for the |
51 |
|
special values. |
52 |
|
|
53 |
** We now have uninterned symbols. |
** We now have uninterned symbols. |
54 |
|
|
55 |
The new function 'make-symbol' will return a uninterned symbol. This |
The new function 'make-symbol' will return a uninterned symbol. This |