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[ruby/optparse] [DOC] Add description of OptionParser#define_by_keywords

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https://github.com/ruby/optparse/commit/451dea51a0
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Nobuyoshi Nakada 2024-02-12 01:30:58 +09:00 committed by git
parent a63a0c247b
commit c9006ddb88
1 changed files with 8 additions and 3 deletions
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11
lib/optparse/kwargs.rb
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@ -7,12 +7,17 @@ class OptionParser
#
# :include: ../../doc/optparse/creates_option.rdoc
#
def define_by_keywords(options, meth, **opts)
meth.parameters.each do |type, name|
# Defines options which set in to _options_ for keyword parameters
# of _method_.
#
# Parameters for each keywords are given as elements of _params_.
#
def define_by_keywords(options, method, **params)
method.parameters.each do |type, name|
case type
when :key, :keyreq
op, cl = *(type == :key ? %w"[ ]" : ["", ""])
define("--#{name}=#{op}#{name.upcase}#{cl}", *opts[name]) do |o|
define("--#{name}=#{op}#{name.upcase}#{cl}", *params[name]) do |o|
options[name] = o
end
end