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Versions: 19
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Contents
require File.expand_path("../example_setup", __FILE__)
require "github/result"
def do_something
1
end
def do_something_that_errors
raise "noooooppppeeeee"
end
result = GitHub::Result.new { do_something }
p result.ok? # => true
p result.value! # => 1
result = GitHub::Result.new { do_something_that_errors }
p result.ok? # => false
p result.value { "default when error happens" } # => "default when error happens"
begin
result.value! # => raises exception because error happened
rescue => error
p result.error # => the error
p error # the same error
end
# Outputs Step 1, 2, 3
result = GitHub::Result.new {
GitHub::Result.new { puts "Step 1: success!" }
}.then { |value|
GitHub::Result.new { puts "Step 2: success!" }
}.then { |value|
GitHub::Result.new { puts "Step 3: success!" }
}
p result.ok? # => true
# Outputs Step 1, 2 and stops.
result = GitHub::Result.new {
GitHub::Result.new { puts "Step 1: success!" }
}.then { |value|
GitHub::Result.new {
puts "Step 2: failed!"
raise
}
}.then { |value|
GitHub::Result.new {
puts "Step 3: should not get here because previous step failed!"
}
}
p result.ok? # => false
Version data entries
19 entries across 19 versions & 1 rubygems