let int = 42 let string = "This is a string" let char = 'c' let bool = true let bytearray = "This is a byte string"B let hexint = 0x34 let octalint = 0o42 let binaryinteger = 0b101010 let signedbyte = 68y let unsignedbyte = 102uy let smallint = 16s let smalluint = 16us let integer = 345l let usignedint = 345ul let nativeint = 765n let unsignednativeint = 765un let long = 12345678912345L let unsignedlong = 12345678912345UL let float32 = 42.8F let float = 42.8 printfn "int = %d or %A" int int printfn "string = %s or %A" string string //nice we have double quote around the string when use %A printfn "char = %c or %A" char char //nice we have single quote around the character when use %A printfn "bool = %b or %A" bool bool printfn "bytearray = %A" bytearray printfn "hex int = %x or %A" hexint hexint printfn "HEX INT = %X or %A" hexint hexint printfn "oct int = %o or %A" octalint octalint printfn "bin int = %d or %A" binaryinteger binaryinteger printfn "signed byte = %A" signedbyte printfn "unsigned byte = %A" unsignedbyte printfn "small int = %A" smallint printfn "small uint = %A" smalluint printfn "int = %i or %A" integer integer printfn "uint = %i or %A" usignedint usignedint printfn "native int = %A" nativeint printfn "unsigned native int = %A" unsignednativeint printfn "long = %d or %A" long long printfn "unsigned long = %A" unsignedlong printfn "float = %f or %A" float32 float32 printfn "double = %f or %A" float float
Tuesday, August 9, 2011
F# basic data types and printfn
do not want to look up those symbols every time:
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