| ZVON > References > Haskell reference |
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| | Indexes | Syntax | Prelude | Ratio | Complex | Numeric | Ix | Array | List | Maybe | Char | >> Monad << | IO | Directory | System | Time | Locale | CPUTime | Random |
| Module: | Monad |
|---|---|
| Type: | Bool -> a () -> a () |
| Functions: | unless, when |
| Operators: |