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puma--puma/lib/puma/null_io.rb
Patrik Ragnarsson 3bee53840c
Add #string method to Puma::NullIO (#2520)
Makes Puma::NullIO more similar to [StringIO].

[StringIO]: https://docs.ruby-lang.org/en/2.5.0/StringIO.html#method-i-string
2021-01-04 09:52:23 -07:00

48 lines
616 B
Ruby

# frozen_string_literal: true
module Puma
# Provides an IO-like object that always appears to contain no data.
# Used as the value for rack.input when the request has no body.
#
class NullIO
def gets
nil
end
def string
""
end
def each
end
# Mimics IO#read with no data.
#
def read(count = nil, _buffer = nil)
count && count > 0 ? nil : ""
end
def rewind
end
def close
end
def size
0
end
def eof?
true
end
def sync=(v)
end
def puts(*ary)
end
def write(*ary)
end
end
end