pr3-sose2026-fork/haskell/01-expressions

Haskell - Expressions

The following illustrates some haskell basics. It can be reproduced using ghci.

Types, Literals, and Constants along with Arithmetic and Boolean Operations

Expression	Type (:t)	Value	Comment
2	Num a => a	2
2.03	Fractional a => a	2.3
'c'	Char	'c'
"hallo"	String	"hallo"
True	Bool	True
x=5	Num a => a	5	Constant named x
2 + 3	Num a => a	5	Similar -,*,^
2 / 3	Fractional a => a	0.6666666666666666
1 > 2	Bool	False	Similar <, <=, >=, ==, /=
True && False	Bool	False	Similar ||,not
((2+3)*5 > 1) || not (1 > 2)	Bool	True	Right part is not evaluated due to lazy evaluation

Unary Functions

Binary Functions

Tuples

Strings

Control Structures

Lists