token

const (
	ILLEGAL = "ILLEGAL" // For any unknown token/character
	EOFILE  = "EOFILE"  // Tells the parser that it should stop

	// Identifiers + literals
	IDENT  = "IDENT" // add, foobar, x, y, ...
	INT    = "INT"   // 1343456
	STRING = "STRING"

	// Operators
	ASSIGN      = "="
	PLUS        = "+"
	MINUS       = "-"
	EXCLAMATION = "!"
	ASTERISK    = "*"
	SLASH       = "/"
	LESSTHAN    = "<"
	GREATERTHAN = ">"
	EQUAL       = "=="
	NOTEQUAL    = "!="

	// Delimiters
	COMMA       = ","
	SEMICOLON   = ";"
	LEFTPAR     = "("
	RIGHTPAR    = ")"
	LEFTBRAC    = "{"
	RIGHTBRAC   = "}"
	COLON       = ":"
	LEFTSQPRAC  = "["
	RIGHTSQPRAC = "]"

	// Keywords
	FUNCTION = "FUNCTION"
	LET      = "LET"
	CONST    = "CONST"
	TRUE     = "TRUE"
	FALSE    = "FALSE"
	IF       = "IF"
	ELSE     = "ELSE"
	RETURN   = "RETURN"
)