mirror of https://github.com/sharkdp/bat.git
48 lines
695 B
Standard ML
48 lines
695 B
Standard ML
val x = 0
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val hello = "hello world"
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val id = fn x => x
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fun id' x = x
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val () = print "hello world\n"
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val _ = let
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val hello = "hello"
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val world = "world"
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in
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print (hello ^ " " ^ world ^ "\n")
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end
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fun isZero n =
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if n = 0 then true
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else false
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fun isTrue b =
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case b of
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true => true
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| false => false
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exception Bad_value of string
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fun isTrue' b =
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case b of
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true => true
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| _ => raise (Bad_value "value is not true!")
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val alwaysTrue =
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isTrue' false handle Bad_value _ => true
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datatype myBool = True | False
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datatype shape = Square of real | Circle of real | Point
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signature FOO = sig
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val foo : 'a -> 'a
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end
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structure Foo :> FOO = struct
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fun foo x = x
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end
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