Method expect_float

crates/hll-to-ir/src/parser.rs:1591–1603

(&mut self)

            }
            Some(Token::I16) => {
                self.advance();
                Ok(Type::Primitive("i16".into()))
            }
            Some(Token::I32) => {
                self.advance();
                Ok(Type::Primitive("i32".into()))
            }
            Some(Token::I64) => {
                self.advance();
                Ok(Type::Primitive("i64".into()))
            }
            Some(Token::U8) => {
                self.advance();
                Ok(Type::Primitive("u8".into()))
            }
            Some(Token::U16) => {