KASH3 Ref - GetEntry

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| ### Function GetEntry ( record r, string f ) -> any ### Optional Arguments
Fail | any |  | Determines what to return in case of failure.
### Description Returns the element of `r' in the field `f' if it exists and fails otherwise. ### Examples A:=rec(ac:=1,ad:=INFTY); GetEntry(A,"ad"); GetEntry(A,"ab");
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