Mercurial > urweb

annotate tests/pprint.ur @ 2243:da7d026d1a94

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix possible formula simplification bug with extra formula' type.
author Ziv Scully <ziv@mit.edu>
date Mon, 20 Jul 2015 19:49:13 -0700
parents 318ba997a149
children
rev   line source
adam@1727 1 fun isNone [a] (x : option a) =
adam@1727 2 case x of
adam@1727 3 None => True
adam@1727 4 | Some _ => False