repro_spec.cr

require "./spec_helper"

alias ConfigValue = String | Int32
alias Config = Hash(Symbol, ConfigValue)

class SomeSource
  @filename : String
  
  def initialize(options : Config)
    @filename = options[:filename]
  end
end

c = Config.new
c[:filename] = "spec/fixtures/sample.csv"
source = SomeSource.new(c)

# Error in line 2: while requiring "./spec/repro_spec.cr"
# 
# in spec/repro_spec.cr:16: instantiating 'SomeSource:Class#new(Hash(Symbol, Int32 | String))'
# 
# source = SomeSource.new(c)
#                     ^~~
# 
# in spec/repro_spec.cr:10: instance variable '@filename' of SomeSource must be String, not (Int32 | String)
# 
#     @filename = options[:filename]
#     ^~~~~~~~~