67 lines
2.3 KiB
C#
67 lines
2.3 KiB
C#
using static System.Console;
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public class ExampleEinaHash01
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{
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public static void Main()
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{
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Eina.Config.Init();
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var phone_book = new Eina.Hash<string, string>();
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// Add initial entries to our hash
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phone_book.Add("Wolfgang Amadeus Mozart", "+01 23 456-78910");
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phone_book.Add("Ludwig van Beethoven", "+12 34 567-89101");
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phone_book.Add("Richard Georg Strauss", "+23 45 678-91012");
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phone_book.Add("Heitor Villa-Lobos", "+34 56 789-10123");
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// Look for a specific entry and get its phone number
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var entry_name = "Heitor Villa-Lobos";
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var phone = phone_book.Find(entry_name);
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WriteLine("Printing entry.");
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WriteLine($"Name: {entry_name}");
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WriteLine($"Number: {phone}\n");
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// Delete this entry
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var r = phone_book.DelByKey(entry_name);
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WriteLine($"Hash entry successfully deleted? {r}!\n");
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// Modify the pointer data of an entry and free the old one
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phone_book.Modify("Richard Georg Strauss", "+23 45 111-11111");
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// Modify or add an entry to the hash
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// Let's first add a new entry
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entry_name = "Raul Seixas";
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phone_book[entry_name] = "+55 01 234-56789";
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WriteLine("Printing entry.");
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WriteLine($"Name: {entry_name}");
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WriteLine($"Number: {phone_book[entry_name]}\n");
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// Now change the phone number
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phone_book["Raul Seixas"] = "+55 02 222-22222";
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WriteLine("Printing entry.");
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WriteLine($"Name: {entry_name}");
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WriteLine($"Number: {phone_book[entry_name]}\n");
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// Check how many items are in the phone book
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WriteLine("There are {0} items in the hash.\n", phone_book.Count);
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// Change the name (key) on an entry
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phone_book.Move("Raul Seixas", "Alceu Valenca");
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entry_name = "Alceu Valenca";
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WriteLine("Printing entry.");
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WriteLine($"Name: {entry_name}");
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WriteLine($"Number: {phone_book[entry_name]}\n");
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// Empty the phone book, but don't destroy it
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phone_book.FreeBuckets();
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WriteLine("There are {0} items in the hash.\n", phone_book.Count);
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// Phone book could still be used, but we are freeing it since we are
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// done for now
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phone_book.Dispose();
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}
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}
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