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Bug #10028

closed

nested rest keyword argument

Bug #10028: nested rest keyword argument

Added by nobu (Nobuyoshi Nakada) about 12 years ago. Updated over 10 years ago.

Status:
Rejected
Assignee:
matz (Yukihiro Matsumoto)
Target version:
-
ruby -v:
trunk
Backport:
2.0.0: REQUIRED, 2.1: REQUIRED
[ruby-dev:48395]

Description

ネストしたrest argumentは通りますが

def f((*a)) end

ネストしたrest keyword argumentはsyntax errorになります。

def f((**a)) end #=> syntax error, unexpected **arg

Related issues 1 (0 open — 1 closed)

Related to Ruby - Feature #8895: Destructuring Assignment for HashClosedActions

Updated by nobu (Nobuyoshi Nakada) about 12 years ago Actions
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 #1 [ruby-dev:48396]

  • Related to Feature #8895: Destructuring Assignment for Hash added

Updated by hsbt (Hiroshi SHIBATA) about 12 years ago Actions
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 #2 [ruby-dev:48464]

  • Status changed from Open to Assigned

Updated by nobu (Nobuyoshi Nakada) over 10 years ago Actions
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 #3 [ruby-dev:49603]

  • Description updated (diff)

Updated by matz (Yukihiro Matsumoto) over 10 years ago Actions
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 #4 [ruby-dev:49604]

  • Status changed from Assigned to Rejected

This is intentional. Nested arguments are assignees of multiple assignments in reality. And multiple assignments do not support rest keyword argument (yet). When we introduce something like #8895, it should be supported.

Matz.

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