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Fix String#start_with? implementation

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It is supposed to accept a variable number of prefixes, and also to
check if they are convertible to strings. This matches behavior
documented in RubySpec.
This commit is contained in:
Jack Nagel 2013-07-19 22:31:03 -05:00
parent 988316a16d
commit b1e5f5ee81
1 changed files with 7 additions and 5 deletions
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12
Library/Homebrew/extend/string.rb
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@ -15,12 +15,14 @@ class String
# EOS
alias_method :undent_________________________________________________________72, :undent
unless String.method_defined?(:start_with?)
def start_with? prefix
prefix = prefix.to_s
self[0, prefix.length] == prefix
def start_with?(*prefixes)
prefixes.any? do |prefix|
if prefix.respond_to?(:to_str)
prefix = prefix.to_str
self[0, prefix.length] == prefix
end
end
end
end unless method_defined?(:start_with?)
# String.chomp, but if result is empty: returns nil instead.
# Allows `chuzzle || foo` short-circuits.