mirror of
https://github.com/edwinb/Idris2-boot.git
synced 2024-12-24 05:12:29 +03:00
2938e86421
...for consistency with Idris 1 (probably to be revisited later). So, when working via the scheme primitives, we need to read/write 32 bits.
56 lines
1.6 KiB
Idris
56 lines
1.6 KiB
Idris
import Data.Buffer
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import System.File
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main : IO ()
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main
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= do Just buf <- newBuffer 100
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| Nothing => putStrLn "Buffer creation failed"
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s <- rawSize buf
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printLn s
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setInt buf 1 94
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setString buf 5 "AAAA"
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val <- getInt buf 1
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printLn val
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setDouble buf 10 94.42
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val <- getDouble buf 10
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printLn val
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setString buf 20 "Hello there!"
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val <- getString buf 20 5
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printLn val
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val <- getString buf 26 6
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printLn val
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ds <- bufferData buf
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printLn ds
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Right f <- openBinaryFile "test.buf" WriteTruncate
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| Left err => putStrLn "File error on write"
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Right _ <- writeBufferToFile f buf 100
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| Left err => do putStrLn "Buffer write fail"
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closeFile f
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closeFile f
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Right f <- openBinaryFile "test.buf" Read
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| Left err => putStrLn "File error on read"
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Right buf2 <- createBufferFromFile f
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| Left err => do putStrLn "Buffer read fail"
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closeFile f
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closeFile f
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ds <- bufferData buf2
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printLn ds
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Right f <- openBinaryFile "test.buf" Read
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| Left err => putStrLn "File error on read"
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Just buf3 <- newBuffer 99
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| Nothing => putStrLn "Buffer creation failed"
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Right _ <- readBufferFromFile f buf3 100
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| Left err => do putStrLn "Buffer read fail"
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closeFile f
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closeFile f
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