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Bug #15753

closed

unknown keyword when passing an hash to a method that accepts a default argument and a named argument

Added by localhostdotdev (localhost .dev) almost 5 years ago. Updated over 4 years ago.

Status:
Closed
Assignee:
-
Target version:
-
ruby -v:
ruby 2.7.0dev (2019-03-18 trunk 67296) [x86_64-darwin17] / ruby 2.6.2p47 (2019-03-13 revision 67232) [x86_64-darwin17]
[ruby-core:92187]

Description

e.g.

>> def a(b = {}, c: 1); p [b, c]; end; a(a: 1)
Traceback (most recent call last):
        3: from (irb):3
        2: from (irb):3:in `rescue in irb_binding'
        1: from (irb):3:in `a'
ArgumentError (unknown keyword: a)

Prettier version:

def do_something(thing = {}, force: true)
  # doing things
end

do_something({ user: { id: 1 } })
# => ArgumentError (unknown keyword: user)

Tested on ruby-head from ~1 month ago and ruby 2.6.2


Related issues 1 (0 open1 closed)

Related to Ruby master - Feature #14183: "Real" keyword argumentClosedActions
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