Mercurial > urweb
view tests/fromString.ur @ 289:0cc956a3216f
Parsing strings for floats and bools
author | Adam Chlipala <adamc@hcoop.net> |
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date | Sun, 07 Sep 2008 11:41:04 -0400 |
parents | 4260ad920c36 |
children | df00701f2323 |
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fun s2i s = case stringToInt s of None => 0 | Some n => n fun s2f s = case stringToFloat s of None => 0.0 | Some n => n fun s2b s = case stringToBool s of None => False | Some b => b fun main () : transaction page = return <html><body> Error = {cdata (show _ (s2i "Error"))}<br/> 3 = {cdata (show _ (s2i "+3"))}<br/> <br/> Error = {cdata (show _ (s2f "Error"))}<br/> 98.76 = {cdata (show _ (s2f "98.76"))}<br/> <br/> Error = {cdata (show _ (s2b "Error"))}<br/> False = {cdata (show _ (s2b "false"))}<br/> True = {cdata (show _ (s2b "trUE"))}<br/> </body></html>