[New Concept]: Array

[meatball133]

No description provided.

[ryanplusplus]

Suggested change

	When creating an empty array, can the compiler not infer which type the array is built of.
	When creating an empty array, the compiler cannot infer the type of the array.

[ryanplusplus]

Suggested change

	This can be done by either specifying the type of the array or by using the `of` keyword.
	Or by using the array initializer syntax, which is: `Array(T).new`.
	This can be done by specifying the type of the array, by using the `of` keyword, or by using the array initializer syntax, which is: `Array(T).new`.

[ryanplusplus]

Suggested change

	As with `String`, can you access elements in an array by using the [`[]` (index) operator][index] and giving it the index of the element you want to access.
	As with `String`, you can access elements in an array by using the [`[]` (index) operator][index] and giving it the index of the element you want to access.

[ryanplusplus]

Suggested change

	When wanting to delete an element from the end of an array, you can use [`pop`][pop] method which takes an optional argument specifying how many elements to remove from the end of the array.
	When you want to delete an element from the end of an array, you can use [`pop`][pop] method which takes an optional argument specifying how many elements to remove from the end of the array.

[ryanplusplus]

Suggested change

	When wanting to delete an element of a specific index from an array, you can use the [`delete_at`][delete_at] method which takes the index of the element to remove as an argument.
	When you want to delete an element of a specific index from an array, you can use the [`delete_at`][delete_at] method which takes the index of the element to remove as an argument.

[ryanplusplus]

Suggested change

	When wanting to modify an element of a specific index from an array, you can use the [`[]=` (index assign) operator][index-assign] which takes the index of the element to modify and the new value as arguments.
	When you want to modify an element of a specific index from an array, you can use the [`[]=` (index assign) operator][index-assign] which takes the index of the element to modify and the new value as arguments.

[ryanplusplus]

Suggested change

	As you can see even though we only modified `other_numbers` so was `numbers` also modified.
	As you can see even though we only modified `other_numbers`, `numbers` was also modified.

[ryanplusplus]

This doesn't really match the description below

[ryanplusplus]

Suggested change

	it "add a language to a array" do
	it "add a language to an array" do

[ryanplusplus]

Suggested change

	it "add several languages to a array" do
	it "add several languages to an array" do

[ryanplusplus]

Suggested change

	it "Can parse a string with only one language" do
	language_list = LanguageList.parse("Crystal")
	language_list.should eq ["Crystal"]
	end
	it "Can parse a string with multiple languages" do
	language_list = LanguageList.parse("Crystal, Ruby, C#, Java")
	language_list.should eq ["Crystal", "Ruby", "C#", "Java"]
	end
	it "Can parse a string with a language made of 2 words" do
	it "can parse a string with only one language" do
	language_list = LanguageList.parse("Crystal")
	language_list.should eq ["Crystal"]
	end
	it "can parse a string with multiple languages" do
	language_list = LanguageList.parse("Crystal, Ruby, C#, Java")
	language_list.should eq ["Crystal", "Ruby", "C#", "Java"]
	end
	it "can parse a string with a language made of 2 words" do