TextSpan Widget

This widget represents an immutable span of text. The style of the TextSpan will be applied to the text and the children.

A TextSpan widget can just have plain text, or it can have children TextSpan widget with their own styles that overrides the style of the container TextSpan widget or it can have both the text and its children.

TextSpan(
	text : "Hello world",
	style : TextStyle(...),
),