什么時(shí)候應(yīng)該使用結(jié)構(gòu)而不是類(lèi)？MSDN說(shuō)，當(dāng)您需要輕量級(jí)對(duì)象時(shí)，應(yīng)該使用structs。當(dāng)一個(gè)結(jié)構(gòu)比一個(gè)類(lèi)更可取的時(shí)候，還有其他的場(chǎng)景嗎？有些人可能忘記了：結(jié)構(gòu)可以有方法。結(jié)構(gòu)不能繼承。我理解結(jié)構(gòu)和類(lèi)之間的技術(shù)差異，只是感覺(jué)不太好。什么時(shí)候使用結(jié)構(gòu)。
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TA貢獻(xiàn)1806條經(jīng)驗(yàn) 獲得超5個(gè)贊
public struct ThreeDimensionalPoint{
public readonly int X, Y, Z;
public ThreeDimensionalPoint(int x, int y, int z)
{
this.X = x;
this.Y = y;
this.Z = z;
}
public override string ToString()
{
return "(X=" + this.X + ", Y=" + this.Y + ", Z=" + this.Z + ")";
}
public override int GetHashCode()
{
return (this.X + 2) ^ (this.Y + 2) ^ (this.Z + 2);
}
public override bool Equals(object obj)
{
if (!(obj is ThreeDimensionalPoint))
return false;
ThreeDimensionalPoint other = (ThreeDimensionalPoint)obj;
return this == other;
}
public static bool operator ==(ThreeDimensionalPoint p1, ThreeDimensionalPoint p2)
{
return p1.X == p2.X && p1.Y == p2.Y && p1.Z == p2.Z;
}
public static bool operator !=(ThreeDimensionalPoint p1, ThreeDimensionalPoint p2)
{
return !(p1 == p2);
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