replace を使ってみる (C++)
C++
Published: 2020-01-05

やったこと

replace を使ってみます。

確認環境

$ g++ --version
g++ (Homebrew GCC 9.2.0) 9.2.0
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

調査

test.cpp

#include <bits/stdc++.h>
using namespace std;

int main() {
    string t = "abcdefg";
    t.replace(1, 2, "-");
    cout << t << endl;

    t.replace(0, 1, 3, 'A');
    cout << t << endl;
}

出力結果

a-defg
AAA-defg

参考