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ado002.hs:8:8: error:
• Couldn't match expected type ‘Char -> IO t1’
with actual type ‘IO Char’
• The function ‘getChar’ is applied to one argument,
but its type ‘IO Char’ has none
In a stmt of a 'do' block: y <- getChar 'a'
In the expression:
do { x <- getChar;
y <- getChar 'a';
print (x, y) }
ado002.hs:9:3: error:
• Couldn't match type ‘()’ with ‘Int’
Expected type: IO Int
Actual type: IO ()
• In a stmt of a 'do' block: print (x, y)
In the expression:
do { x <- getChar;
y <- getChar 'a';
print (x, y) }
In an equation for ‘f’:
f = do { x <- getChar;
y <- getChar 'a';
print (x, y) }
ado002.hs:15:11: error:
• Couldn't match expected type ‘Int’ with actual type ‘Char’
• In the expression: y
In a stmt of a 'do' block: return (y, x)
In the expression:
do { x <- getChar;
y <- getChar;
return (y, x) }
ado002.hs:15:13: error:
• Couldn't match expected type ‘Int’ with actual type ‘Char’
• In the expression: x
In a stmt of a 'do' block: return (y, x)
In the expression:
do { x <- getChar;
y <- getChar;
return (y, x) }
ado002.hs:23:9: error:
• Couldn't match expected type ‘Char -> IO t0’
with actual type ‘IO Char’
• The function ‘getChar’ is applied to one argument,
but its type ‘IO Char’ has none
In a stmt of a 'do' block: x5 <- getChar x4
In the expression:
do { x1 <- getChar;
x2 <- getChar;
x3 <- const (return ()) x1;
x4 <- getChar;
x5 <- getChar x4;
return (x2, x4) }
ado002.hs:24:11: error:
• Couldn't match expected type ‘Int’ with actual type ‘Char’
• In the expression: x2
In a stmt of a 'do' block: return (x2, x4)
In the expression:
do { x1 <- getChar;
x2 <- getChar;
x3 <- const (return ()) x1;
x4 <- getChar;
x5 <- getChar x4;
return (x2, x4) }
ado002.hs:24:14: error:
• Couldn't match expected type ‘Int’ with actual type ‘Char’
• In the expression: x4
In a stmt of a 'do' block: return (x2, x4)
In the expression:
do { x1 <- getChar;
x2 <- getChar;
x3 <- const (return ()) x1;
x4 <- getChar;
x5 <- getChar x4;
return (x2, x4) }
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