class Tchae::PositionalArgs
Public Class Methods
new(wrapper)
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Calls superclass method
# File lib/tchae/core.rb, line 198 def initialize(wrapper) super() @wrapper = wrapper end
Public Instance Methods
arg(&proc)
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# File lib/tchae/core.rb, line 203 def arg(&proc) push Tchae(proc) @wrapper end
expect(*constraints, &proc)
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def expect(constraints = EMPTY_ARRAY, &proc)
# File lib/tchae/core.rb, line 209 def expect(*constraints, &proc) constraints.each { |inp| push Tchae(inp) } instance_exec(&proc) if block_given? @wrapper end
valid_or_raise_exception(params)
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# File lib/tchae/core.rb, line 215 def valid_or_raise_exception(params) params.zip(self).each do |parm, valtor| next unless valtor valtor.valid_or_raise_exception(parm, ::Tchae::ArgumentTypeException) end end
valid_or_return_error(params)
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# File lib/tchae/core.rb, line 223 def valid_or_return_error(params) # returns nil if everything valid or an Error object otherwise valid = true failed = params.zip(self).each do |parm, valtor| next unless valtor unless valtor.execute(parm) valid = false break valtor.return_error(parm, ::Tchae::ArgumentTypeError) end end valid ? nil : failed end