lexer

const (
	TK_KEYWORD TokenType = "KEYWORD"
	TK_IDENT   TokenType = "IDENTIFIER"

	TK_INTEGER      TokenType = "INTEGER"
	TK_FLOAT        TokenType = "FLOAT"
	TK_CHAR_LITERAL TokenType = "CHAR"

	TK_LPAREN TokenType = "("
	TK_RPAREN TokenType = ")"
	TK_LBRACE TokenType = "{"
	TK_RBRACE TokenType = "}"

	TK_SEMICOLON TokenType = ";"

	TK_EQUAL TokenType = "="
	TK_DASH  TokenType = "-"
	TK_PLUS  TokenType = "+"
	TK_STAR  TokenType = "*"
	TK_SLASH TokenType = "/"

	TK_PLUS_EQUAL   TokenType = "+="
	TK_MINUS_EQUAL  TokenType = "-="
	TK_TIMES_EQUAL  TokenType = "*="
	TK_DIVIDE_EQUAL TokenType = "/="

	TK_EOF TokenType = "EOF"
)