edf50fdf80
- Run mix credo --all to identify possible code optimizations - Resolve most of the errors generated by credo such as: - Numbers larger than 9999 should be written with underscores: 58_127 - Modules should have a @moduledoc tag - Comparison will always return true
40 lines
966 B
Elixir
40 lines
966 B
Elixir
defmodule Sigils do
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@moduledoc false
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use Koans
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@intro "Sigils"
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koan "The ~s sigil is a different way of expressing string literals" do
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assert ~s{This is a string} == ___
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end
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koan "Sigils are useful to avoid escaping quotes in strings" do
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assert "\"Welcome to the jungle\", they said." == ___
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end
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koan "Sigils can use different delimiters" do
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matches? = ~s{This works!} == ~s[This works!]
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assert matches? == ___
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end
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koan "The lowercase ~s sigil supports string interpolation" do
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assert ~s[1 + 1 = #{1 + 1}] == ___
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end
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koan "The ~S sigil is similar to ~s but doesn't do interpolation" do
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assert ~S[1 + 1 = #{1+1}] == ___
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end
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koan "The ~w sigil creates word lists" do
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assert ~w(Hello world) == ___
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end
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koan "The ~w sigil also allows interpolation" do
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assert ~w(Hello 1#{1 + 1}3) == ___
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end
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koan "The ~W sigil behaves to ~w as ~S behaves to ~s" do
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assert ~W(Hello #{1+1}) == ___
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end
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end
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