conversion

In Cyan, there is no automatic conversion between types.

Basic types can be have your values converted into another basic type through special keywords such as:

func asByte -> Byte 

func asShort -> Short 

func asLong -> Long 

func asFloat -> Float 

func asDouble -> Double 

func asChar -> Char 

func asBoolean -> Boolean 

func asInt -> Int 

func asString -> String

And then we have the possibility to perform a conversion between any of the basic types.

var Double d = 1.0; 

var Int n = d asInt; 

var String s = n asString;

The methods of the String prototype return an union of the type with Nil, as in

func asInt -> Int|Nil

Hence, they should be used with the cast or type-case statements:

cast n = "100" asInt { 

   (n*n - 2*n) println 

}

A line read as a string can be converted into an Int as shown in the next example.

cast n = (In readLine) asInt { 

   (n*n - 2*n) println 

}