Chris Hasiński 3f52ef6cfc Fix Lazy#flat_map to handle non-enumerable block return values ...

When the block passed to Lazy#flat_map returns a non-enumerable value
(e.g. an Integer), mruby raised NoMethodError because it unconditionally
called #each on the result. CRuby yields non-enumerable values directly.

Use respond_to?(:each) to match CRuby behavior: iterate enumerable
results, yield non-enumerable results as-is.

2026-03-28 22:59:11 +01:00

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lazy.rb

Fix Lazy#flat_map to handle non-enumerable block return values

2026-03-28 22:59:11 +01:00