I have a function working fine, defined without type annotation:
let expensesGroupBarGraph s =
I wanted to add a type annotation for the argument s, which is a sequence of tuples with the first tuple member being a string, and the second tuple member being of type ExpensesSummary. (Don’t hesitate to point me to the documentation if I missed the place it is explained).
I tried this without success
let expensesGroupBarGraph (s:Seq<(string,ExpensesSummary)>) =
I’m working in Jupyter and get this error:
Unexpected symbol '>' in type arguments
Expected type argument or static argument
Unexpected start of structured construct in type arguments. Expected ',' or other token.
Expected type argument or static argument
Unexpected symbol '->' in binding. Expected '=' or other token.
Incomplete structured construct at or before this point in interaction. Expected incomplete structured construct at or before this point, ';', ';;' or other token.
parse error
Thanks in advance!