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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| namespace CSharp12; | ||
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| using Markdown = string; | ||
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| public class PrimaryConstructors | ||
| { | ||
| public readonly struct Distance(double dx, double dy) | ||
| { | ||
| public readonly double Magnitude = Math.Sqrt(dx * dx + dy * dy); | ||
| public readonly double Direction = Math.Atan2(dy, dx); | ||
| } | ||
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| public class BankAccount(string accountID, string owner) | ||
| { | ||
| public string AccountID { get; } = accountID; | ||
| public string Owner { get; } = owner; | ||
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| public override string ToString() => $"Account ID: {AccountID}, Owner: {Owner}"; | ||
| } | ||
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| public class CheckAccount(string accountID, string owner, decimal overdraftLimit = 0) : BankAccount(accountID, owner) | ||
| { | ||
| public decimal CurrentBalance { get; private set; } = 0; | ||
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| public void Deposit(decimal amount) | ||
| { | ||
| if (amount < 0) | ||
| { | ||
| throw new ArgumentOutOfRangeException(nameof(amount), "Deposit amount must be positive"); | ||
| } | ||
| CurrentBalance += amount; | ||
| } | ||
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| public void Withdrawal(decimal amount) | ||
| { | ||
| if (amount < 0) | ||
| { | ||
| throw new ArgumentOutOfRangeException(nameof(amount), "Withdrawal amount must be positive"); | ||
| } | ||
| if (CurrentBalance - amount < -overdraftLimit) | ||
| { | ||
| throw new InvalidOperationException("Insufficient funds for withdrawal"); | ||
| } | ||
| CurrentBalance -= amount; | ||
| } | ||
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| public override string ToString() => $"Account ID: {AccountID}, Owner: {Owner}, Balance: {CurrentBalance}"; | ||
| } | ||
| } | ||
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| public class CollectionExpressions | ||
| { | ||
| public static int[] a = [1, 2, 3, 4, 5, 6, 7, 8]; | ||
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| public static Span<int> b => ['a', 'b', 'c', 'd', 'e', 'f', 'h', 'i']; | ||
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| public static int[][] twoD = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]; | ||
| } | ||
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| public class DefaultLambdaParameters | ||
| { | ||
| public void Foo() | ||
| { | ||
| var addWithDefault = (int addTo = 2) => addTo + 1; | ||
| addWithDefault(); // 3 | ||
| addWithDefault(5); // 6 | ||
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| var counter = (params int[] xs) => xs.Length; | ||
| counter(); // 0 | ||
| counter(1, 2, 3); // 3 | ||
| } | ||
| } | ||
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| [System.Runtime.CompilerServices.InlineArray(10)] | ||
| public struct InlineArrays | ||
| { | ||
| private int _element0; | ||
| } |