package com.lang;
class StringConcatDemo2
{
public static void main(String[] args)
{
String s1 = "Hello".concat("World"); // s1 to be created in heap.
String s2 = s1.intern(); //Line-2 //Since "HelloWorld" doesn't exist in String constant pool (SCP),
我对vhdl很陌生,试图用5行选择行为复用器制作测试平台,但它给我带来了错误(代码很长,所以我只是复制了包含错误的部分)。
守则:
library ieee;
use ieee.std_logic_1164.all;
use IEEE.std_logic_unsigned.all;
use ieee.numeric_std.all;
entity Mux_4_to_1_tb is
end Mux_4_to_1_tb;
architecture tb of Mux_4_to_1_tb is
component Mux_4_to_
这个问题是基于安德烈对的回答。
struct S(int x, int y) {
void fun(T)(T t) if (is(T U == S!(a, b), int a, int b)) { }
}
template s(int a, int b) {
enum result = S!(a,b)();
alias result s;
}
void main() {
auto s1 = S!(1, 1)();
auto s2 = S!(2, 2)();
auto s3 = s!(3, 3);
auto s4 = s!(4, 4);
s1.fun(s1