January 2020
Intermediate to advanced
532 pages
13h 31m
English
Content preview from Hands-On Design Patterns and Best Practices with Julia
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Code blocks
A code block is enclosed by the begin and end keywords. Let's examine what the abstract syntax tree looks like.
The head node just contains a block symbol. When there are multiple lines in the block, the abstract syntax tree also includes line number nodes. In this example, there is a LineNumberNode with line 2 preceding the first call to println. Likewise, there is another LineNumberNode with line 3 preceding the second call to println. The LineNumberNode nodes do not do anything, but they are useful for stack traces and debugging.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.