Sha256: 2b9b637815ca158dff59e68fa2865d1d5517d2c807c2cd7169614a2115c35be4
Contents?: true
Size: 1.28 KB
Versions: 19
Compression:
Stored size: 1.28 KB
Contents
module Finitio
class DressHelper
def initialize
@stack = []
end
def iterate(value)
value.each.each_with_index do |elm, index|
deeper(index) do
yield(elm, index)
end
end
end
def deeper(location)
@stack.push(location.to_s)
res = yield
ensure
@stack.pop
res
end
def just_try(rescue_on = TypeError)
[ true, yield ]
rescue rescue_on => cause
#STDERR.puts cause.inspect
[ false, cause ]
end
def try(type, value)
yield
rescue TypeError => cause
failed!(type, value, cause)
end
def failed!(type, value, cause = nil)
msg = default_error_message(type, value)
raise TypeError.new(msg, cause, location)
end
def fail!(msg, cause = nil)
raise TypeError.new(msg, cause, location)
end
def default_error_message(type, value)
value_s, type_s = value_to_s(value), type_to_s(type)
"Invalid #{type_s} `#{value_s}`"
end
def location
@stack.join('/')
end
private
def value_to_s(value)
return 'null' if value.nil?
s = value.to_s
s = "#{s[0..25]}..." if s.size>25
s
end
def type_to_s(type)
type.name.to_s
end
end # class DressHelper
end # module Finitio
Version data entries
19 entries across 19 versions & 1 rubygems