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@KATANAND KATANAND commented Dec 9, 2025

  • Since GHC 8.0.1 (2016), you can bind values and functions to names without let statement.

  • make output of :t in the document match the actual output in ghci.
  • since we mention various :<commands> we cannot omit very useful :?
    help command that facilitates exploration of all available commands.
  • (also removed trailing whitespace)

  • I solemnly swear that this is all original content of which I am the original author
  • Pull request title is prepended with [language/lang-code] (example [python/fr] for Python in French or [java] for multiple Java translations)
  • Pull request touches only one file (or a set of logically related files with similar changes made)
  • Content changes are aimed at intermediate to experienced programmers (this is a poor format for explaining fundamental programming concepts)
  • If you've changed any part of the YAML Frontmatter, make sure it is formatted according to CONTRIBUTING.md

+ > Since GHC 8.0.1 (2016), you can bind values and functions to names without let statement.
+ make output of `:t` in the document match the actual output in ghci.
+ since we mention various :<commands> we cannot omit very useful `:?`
  help command that facilitates exploration of all available commands.

-- Type `:?` to get a list of all available commands.

-- You can also run any action of type `IO ()`
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Is it ok that there are 2 comments like that in a row? It was puzzling to figure out where to place the "-- Type :? ..." line

@KATANAND KATANAND mentioned this pull request Jan 10, 2026
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@vendethiel vendethiel merged commit 8c0d13a into adambard:master Jan 11, 2026
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2 participants