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# frozen_string_literal: true
require_relative "result"
module TTY
class Prompt
# Evaluates provided parameters and stops if any of them fails
# @api private
class Evaluator
attr_reader :results
def initialize(question, &block)
@question = question
@results = []
instance_eval(&block) if block
end
def call(initial)
seed = Result::Success.new(@question, initial)
results.reduce(seed, &:with)
end
def check(proc = nil, &block)
results << (proc || block)
end
alias << check
end # Evaluator
end # Prompt
end # TTY
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