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| author |  Adam Chlipala <adam@chlipala.net> | 2011-12-04 15:13:53 -0500 |
|---|---|---|
| committer | Adam Chlipala <adam@chlipala.net> | 2011-12-04 15:13:53 -0500 |
| commit | cf15b8c2685f7dba7566b9833569cdad078fc429 (patch) | |
| tree | 13f7dbfad5476e358d258573ba563f0f18451ec4 | |
| parent | 64adfd7ff1361a1886d689f03b5e30780df9e691 (diff) | |
Stop [read] from raising an exception for invalid [int] strings
| -rw-r--r-- | lib/js/urweb.js | 2 | ||||
| -rw-r--r-- | tests/parseInt.ur | 9 |
2 files changed, 10 insertions, 1 deletions
diff --git a/lib/js/urweb.js b/lib/js/urweb.js index c6e55907..a10c107f 100644 --- a/lib/js/urweb.js +++ b/lib/js/urweb.js @@ -972,7 +972,7 @@ function trimZeroes(s) { if (s == "0") return s; else - er("Can't parse int: " + s); + return {}; } function pi(s) { diff --git a/tests/parseInt.ur b/tests/parseInt.ur new file mode 100644 index 00000000..2d906fc8 --- /dev/null +++ b/tests/parseInt.ur @@ -0,0 +1,9 @@ +fun main () : transaction page = + s <- source ""; + return <xml><body> + <ctextbox source={s}/> + <button onclick={n <- get s; + case read n of + None => alert "Invalid" + | Some n => alert (show (n + 1))}/> + </body></xml> |