| 1 | #! /usr/local/bin/guile -s |
| 2 | !# |
| 3 | ;;; examples/modules/main -- Module system demo. |
| 4 | |
| 5 | ;;; Commentary: |
| 6 | |
| 7 | ;;; The main demo program for the modules subdirectory. |
| 8 | ;;; |
| 9 | ;;; This program shows how all the new fancy module import features |
| 10 | ;;; are to be used. |
| 11 | |
| 12 | ;;; Author: Martin Grabmueller |
| 13 | ;;; Date: 2001-05-29 |
| 14 | |
| 15 | ;;; Code: |
| 16 | |
| 17 | (define-module (main) |
| 18 | ;; The module 0 is imported completely. |
| 19 | ;; |
| 20 | :use-module (module-0) |
| 21 | |
| 22 | ;; Module 1 is imported completely, too, but the procedure names are |
| 23 | ;; prefixed with the module name. |
| 24 | ;; |
| 25 | :use-module ((module-1) :rename (symbol-prefix-proc 'module-1:)) |
| 26 | |
| 27 | ;; From module 2, only the procedure `braz' is imported, so that the |
| 28 | ;; procedures `foo' and `bar' also exported by that module don't |
| 29 | ;; clash with the definitions of module 0. |
| 30 | ;; |
| 31 | :use-module ((module-2) :select (braz)) |
| 32 | |
| 33 | ;; Import the bindings from module 2 again, now renaming them by |
| 34 | ;; explicitly mentioning the original and new names. |
| 35 | ;; |
| 36 | :use-module ((module-2) :select ((braz . m-2:braz) (foo . m-2:foo)))) |
| 37 | |
| 38 | ;; |
| 39 | ;; Now call the various imported procedures. |
| 40 | ;; |
| 41 | |
| 42 | (foo) |
| 43 | (bar) |
| 44 | (module-1:foo) |
| 45 | (module-1:bar) |
| 46 | (braz) |
| 47 | (m-2:braz) |
| 48 | (m-2:foo) |
| 49 | |
| 50 | ;; Local variables: |
| 51 | ;; mode: scheme |
| 52 | ;; End: |