Feature #6276: to_h as explicit conversion to Hash

• Status: Closed
• Assignee: marcandre (Marc-Andre Lafortune)
• Target version: 2.0.0

[marcandre (Marc-Andre Lafortune)]

Dear Matz.

We should establish #to_h as the method for explicit conversion to Hash:

1. Add Hash#to_h: returns self for Hash, or a Hash for subclasses of Hash
2. Add Struct#to_h: as requested in Feature #4862 under the wrong name
3. Add OpenStruct#to_h: see Feature #1400

In addition, please consider adding NilClass#to_h.

Even though you are not completely satisfied with NilClass#to_a, I use it very often. If we ever have something equivalent to the splat operator for hashes, the same hesitations will apply to nil.to_h, but I feel it would still bring more good than problems.

Thanks

[matz (Yukihiro Matsumoto)]

• Assignee changed from matz (Yukihiro Matsumoto) to marcandre (Marc-Andre Lafortune)

OK, accepted, include adding nil.to_h.
Marc, could you make patch and check in?

Matz.

[marcandre (Marc-Andre Lafortune)]

Great.

I'll do it with pleasure, expect a slight delay as I'm going in vacation for 10 days.

Thanks

[marcandre (Marc-Andre Lafortune)]

• Status changed from Assigned to Closed
• % Done changed from 0 to 100

This issue was solved with changeset r35339.
Marc-Andre, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.

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• hash.c: Add Hash#to_h [Feature #6276]
  [rubyspec:84b7fe3f24d2]

[naruse (Yui NARUSE)]

• Status changed from Closed to Assigned

You didn't add tests for test-all.
If you won't add them, I'll revert them.

[nahi (Hiroshi Nakamura)]

+1 to Naruse-san. Apparently test in the same repository is a must.

[naruse (Yui NARUSE)]

• Status changed from Assigned to Closed

This issue was solved with changeset r35383.
Marc-Andre, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.

---

Revert r35339-35343 because of no tests.

• hash.c: Alias ENV.to_h to ENV.to_hash [ref #6276]

• lib/ostruct.rb: Add OpenStruct#to_h [Feature #6276]

• struct.c: Add Struct#to_h [Feature #6276]

• object.c: Add NilClass#to_h [Feature #6276]

• hash.c: Add Hash#to_h [Feature #6276]