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using System.Collections;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
namespace Pfz.Collections
{
/// <summary>
/// Interface used to get dictionaries as read-only.
/// </summary>
public interface IReadOnlyDictionary:
IEnumerable
{
/// <summary>
/// Gets the number of items in the dictionary.
/// </summary>
int Count { get; }
/// <summary>
/// Gets all keys.
/// </summary>
ICollection Keys { get; }
/// <summary>
/// Gets all values.
/// </summary>
ICollection Values { get; }
/// <summary>
/// Gets an item by its key.
/// </summary>
object this[object key] { get; }
/// <summary>
/// Returns true if an item with the given key exists.
/// </summary>
bool ContainsKey(object key);
/// <summary>
/// Returns true if the given value exists in the dictionary.
/// </summary>
bool ContainsValue(object value);
/// <summary>
/// Tries to get a value by its key.
/// Returns true if the a value with the given key was found, false otherwise.
/// </summary>
[SuppressMessage("Microsoft.Design", "CA1007:UseGenericsWhereAppropriate")]
bool TryGetValue(object key, out object value);
}
/// <summary>
/// Interface used to get dictionaries as read-only.
/// </summary>
public interface IReadOnlyDictionary<TKey, TValue>:
IReadOnlyDictionary,
IEnumerable<KeyValuePair<TKey, TValue>>
{
/// <summary>
/// Gets all keys.
/// </summary>
new ICollection<TKey> Keys { get; }
/// <summary>
/// Gets all values.
/// </summary>
new ICollection<TValue> Values { get; }
/// <summary>
/// Gets an item by its key.
/// </summary>
TValue this[TKey key] { get; }
/// <summary>
/// Returns true if an item with the given key exists.
/// </summary>
bool ContainsKey(TKey key);
/// <summary>
/// Returns true if the given value exists in the dictionary.
/// </summary>
bool ContainsValue(TValue value);
/// <summary>
/// Tries to get a value for the given key.
/// </summary>
bool TryGetValue(TKey key, out TValue value);
}
}
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I started to program computers when I was 11 years old, as a hobbyist, programming in AMOS Basic and Blitz Basic for Amiga.
At 12 I had my first try with assembler, but it was too difficult at the time. Then, in the same year, I learned C and, after learning C, I was finally able to learn assembler (for Motorola 680x0).
Not sure, but probably between 12 and 13, I started to learn C++. I always programmed "in an object oriented way", but using function pointers instead of virtual methods.
At 15 I started to learn Pascal at school and to use Delphi. At 16 I started my first internship (using Delphi). At 18 I started to work professionally using C++ and since then I've developed my programming skills as a professional developer in C++ and C#, generally creating libraries that help other developers do their work easier, faster and with less errors.
Want more info or simply want to contact me?
Take a look at:
http://paulozemek.azurewebsites.net/
Or e-mail me at: paulozemek@outlook.com
Codeproject MVP 2012, 2015 & 2016
Microsoft MVP 2013-2014 (in October 2014 I started working at Microsoft, so I can't be a Microsoft MVP anymore).