| definition: |
choiceInExpr :: Expr -> Bool
choiceInExpr (Var _) = False
choiceInExpr (Lit _) = False
choiceInExpr (Comb _ f es) = f==("Prelude","commit") ||
f==("Ports","send") || f==("Ports","doSend") ||
foldr (||) False (map choiceInExpr es)
choiceInExpr (Free _ e) = choiceInExpr e
choiceInExpr (Let bs e) = any choiceInExpr (map snd bs) || choiceInExpr e
choiceInExpr (Or e1 e2) = choiceInExpr e1 || choiceInExpr e2
choiceInExpr (Case _ e bs) = choiceInExpr e || any choiceInBranch bs
where choiceInBranch (Branch _ be) = choiceInExpr be
choiceInExpr (Typed e _) = choiceInExpr e
|
| demand: |
argument 1 |
| deterministic: |
deterministic operation |
| documentation: |
-- check an expression for occurrences of committed choice or send: |
| failfree: |
_ |
| indeterministic: |
referentially transparent operation |
| infix: |
no fixity defined |
| iotype: |
{({Var}) |-> {False} || ({Lit}) |-> {False} || ({Comb}) |-> _ || ({Free}) |-> _ || ({Let}) |-> _ || ({Or}) |-> _ || ({Case}) |-> _ || ({Typed}) |-> _}
|
| name: |
choiceInExpr |
| precedence: |
no precedence defined |
| result-values: |
_ |
| signature: |
FlatCurry.Types.Expr -> Prelude.Bool |
| solution-complete: |
operation might suspend on free variables |
| terminating: |
possibly non-terminating |
| totally-defined: |
reducible on all ground data terms |