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docs: document string interpolation syntax and update code examples across docs and site

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Add a new "Interpolation" section to the values documentation explaining the `%(expr)` syntax with examples of complex expressions and nested interpolation. Update all code samples in README.md, getting-started.markdown, and index.markdown to use the new interpolation syntax instead of string concatenation. Adjust syntax highlighting in style.scss by adding a new `.si` class for interpolation spans with distinct background color, and tweak existing color values for strings, numbers, and keywords to improve visual distinction. Add the `\%` escape sequence to the list of supported escape characters in values.markdown.
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Bob Nystrom
2015-11-21 17:20:50 +00:00
parent 920b3e2a32
commit fa1c1f5cda
5 changed files with 29 additions and 7 deletions
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doc/site/getting-started.markdown
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@@ -56,7 +56,7 @@ it. Here's something to try:
Or a little more exciting:
:::wren
for (i in 1..10) System.print("Counting up " + i.toString)
for (i in 1..10) System.print("Counting up %(i)")
You can exit the interpreter using good old Ctrl-C or Ctrl-D, or just throw
your computer to the ground and storm off.