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July 2, 2016 10:38
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type alias FieldId = String | |
type alias Url = String | |
type alias Flags = | |
(FieldId, Url) | |
init : FieldId -> Url -> String | |
init fieldid url = | |
if isvalidUrl fieldid then | |
"Not Empty" | |
else | |
"Empty" | |
isvalidUrl : Url -> Bool | |
isvalidUrl url = | |
if url == "" then | |
False | |
else | |
True |
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The code above is valid.
The
init
function above the first parameter is of typeFieldId
.isValidUrl
awaits a value of typeUrl
.However, the code does compile.
Is there a way to make it complain ?