Mercurial > repos > tabletprog

annotate samples/slist.tp @ 338:1458c069c715

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added "value" method to option value and option none. It behaves similarly to value:none, except the none case just propagates the none value and the value case wraps the result in an option value
author Michael Pavone <pavone@retrodev.com>
date Sat, 04 Apr 2015 11:54:46 -0700
parents 18598163e3ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
170
18598163e3ef Add linked list implementation and cons operator
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
1 #{
18598163e3ef Add linked list implementation and cons operator
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
2 sum <- :l {
18598163e3ef Add linked list implementation and cons operator
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
3 l fold: 0 with: :acc el {
18598163e3ef Add linked list implementation and cons operator
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
4 acc + el
18598163e3ef Add linked list implementation and cons operator
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
5 }
18598163e3ef Add linked list implementation and cons operator
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
6 }
18598163e3ef Add linked list implementation and cons operator
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
7 main <- {
18598163e3ef Add linked list implementation and cons operator
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
8 print: (string: (sum: [])) . "\n"
18598163e3ef Add linked list implementation and cons operator
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
9 print: (string: (sum: [1 2 3 4])) . "\n"
18598163e3ef Add linked list implementation and cons operator
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
10 print: (string: (sum: 1 | 2 | 3 | 4 | [])) . "\n"
18598163e3ef Add linked list implementation and cons operator
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
11 print: (string: (sum: [1 2] . [3 4])) . "\n"
18598163e3ef Add linked list implementation and cons operator
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
12 }
18598163e3ef Add linked list implementation and cons operator
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
13 }