mirror of https://github.com/sharkdp/bat.git
118 lines
2.2 KiB
Crystal
118 lines
2.2 KiB
Crystal
# An example file to test Crystal syntax highlighting in bat
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my_var : Nil = nil
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my_var_also : Int32 = 42
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my_other_var = 4.0
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another_float = 4.0_f32
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another_float_2 = 4e10
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another_float_3 = -0.5
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big_one = 1_000_000.111_111e-4
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ternary = 1 > 2 : 3 ? 4
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my_symbol = :ThisOne?
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my_other_symbol = :No_That_One!
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plus = :+
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minus = :-
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my_string : String = "this string right here, with an interpolated value of #{my_var_also}"
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my_array : Array(Int32) = [1,2,3,4]
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my_tuple : Tuple(Int32, Int32, Int32, Int32) = {1,2,3,4}
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my_named_tuple : NamedTuple(one: Int32, two: Int32) = {"one": 1, "two": 2}
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my_hash : Hash(String, Int32) = {"one" => 1, "two" => 2}
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my_proc : Proc(Int32, Int32) = ->(x : Int32){ x * x}
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my_other_proc : Proc(String) = ->{ "Wow, neat!" }
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puts my_string
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puts(my_string)
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enum Colors
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Red
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Green
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Blue
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end
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class Greeter
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@instance_field = Colors::Red
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@@class_field = Colors::Green
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def initialize(@name = "world")
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end
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def greet
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puts "Hello, #{@name}"
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end
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def render_greeting : String
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"Hello, #{@name}"
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end
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def with_greeting
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yield render_greeting
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end
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def is_color_default?
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@instance_field == @@class_field
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end
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def self.greet_static(name : String) : Unit
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puts "Hello, #{name}"
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end
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end
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greeter = Greeter.new("bat")
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greeter.with_greeting do |greeting|
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puts greeting
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end
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puts <<-EOF
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this is a heredoc and it has a value in it of #{greeter.render_greeting}!
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EOF
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# This is a command:
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`echo yay!`
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$?.success?
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my_color = Colors::Red
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puts
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case my_color
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when Colors::Red, .red?
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"Red"
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when Colors::Green, .green?
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"Green"
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when Colors::Blue, .blue?
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"Blue"
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else
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"I dunno, man. Chartreuse? Maroon?"
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end
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class MyGenericClass(T)
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def initialize(@wrapped_value : T)
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end
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def get
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return @wrapped_value
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end
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end
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def do_stuff_with_range(r : Range(Int|String))
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return if r.empty?
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return unless !(r.empty?)
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r.each do |item|
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if /e/.match(item.to_s)
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puts "#{item} contains the letter e!"
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elsif item.to_s.empty?
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break
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else
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next # this is unnecessary, but whatever
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end
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end
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end
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macro print_range(range)
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{% for i in range %}
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puts {{i.id}}
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{% end %}
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end
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print_range(1..3)
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print_range(1...3)
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