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daphee/readline.cr

Created August 26, 2015 16:15
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readline.cr
def bind_key(c : Char, f : Int32,Int32 -> Int32)
raise ArgumentError.new "not a valid ASCII character: '#{c}'" if !(0 <= c.ord <= 255)
wrapper = BindingProc.new {|count, key| LibReadline::Int.cast(f.call(count.to_i32, key.to_i32))}
LibReadline.rl_bind_key(c.ord, wrapper)
end
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