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Bug #15786

numbered parameterを使ったprocのparametersに記号が現れる

Added by tompng (tomoya ishida) 3 months ago. Updated 3 months ago.

Status:
Closed
Priority:
Normal
Assignee:
-
Target version:
-
ruby -v:
ruby 2.7.0dev (2019-04-23 trunk f4f66bd11c) [x86_64-darwin17]
[ruby-core:92384]

Description

->{@100}.parameters.map{@2}.join
#=> "!\"\#$%&'()*+,-./:;<=>?@[\\]^`"

proc{@100}.parameters の場合はそれに加え、[[:opt, nil]...] になる

RubyVM::InstructionSequence.of(->{@100}).to_a
RubyVM::InstructionSequence.disasm(->{@100})
にも同様の記号が混ざる

lambda{@100}.parameters[[:req]]*100
proc{@100}.parameters[[:opt, nil]]*100ではなく[[:opt]]*100
になると良いのではないかと思います。(1.method(:+).parameters #=> [[:req]] とnilは含まれないのでそれに合わせて)

History

#2

Updated by nobu (Nobuyoshi Nakada) 3 months ago

  • Backport changed from 2.4: UNKNOWN, 2.5: UNKNOWN, 2.6: UNKNOWN to 2.4: REQUIRED, 2.5: REQUIRED, 2.6: REQUIRED

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