Papyrus supports five kinds of literal values: boolean, integer, float, string, and None.
<boolean> ::= 'true' | 'false'
if myBoolean == true ;do something endif
Boolean literals are simple, they are just true or false values.
<integer> ::= (['-'] <digit>+) | ('0x' (<digit>|<hex digit>)+)
if count < 5 ;do something count +=1 endif
Integer literals are sequences of digits (0 though 9) optionally prefixed by a minus sign. If you want a hex number, prefix it with "0x". Valid hex digits are A through F (case-insensitive). Integers are 32-bits in size, signed, which means their valid range is −2,147,483,648 to 2,147,483,647.
10 -15365 0x0001F2C8
<float> ::= ['-'] <digit>+ '.' <digit>+
if myValue == 5.123 ;do something endif
Float literals are sequences of digits (0 through 9) optionally prefixed by a minus sign, and followed by a dot and another sequence of digits. Floats are 32-bits in size, and have a range of 1.175494351 E – 38 to 3.402823466 E + 38 with 7 significant digits. They match the IEEE standard single type (23+1 significant bits and 8 exponent bits).
<string> ::= '"' <anything but another ", \, newline, or linefeed> '"'
string myText = "Hello World."
String literals are simply text surrounded by double quotes. Newlines, line feeds, quotes, and back slashes are not allowed in the string. If you want one of these special characters, or a tab, then you can use the following escape codes:
"Hello, World!" "" ; Empty string "\\\n" ; a string with a backslash followed by a new line
The None literal simply represents 'nothing' for object types. (Similar to NULL in C) If you want to know if an object variable contains a valid object, just compare it to None.