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3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
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12 # See the License for the specific language governing permissions and
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15 # Simple numerical statistical analysis and presentation
18 # Redef String class to add a function to color the string
20 private fun add_escape_char
(escapechar
: String): String do
21 return "{escapechar}{self}{esc}[0m"
24 private fun esc
: Char do return 27.ascii
25 fun gray
: String do return add_escape_char
("{esc}[30m")
26 fun red
: String do return add_escape_char
("{esc}[31m")
27 fun green
: String do return add_escape_char
("{esc}[32m")
28 fun yellow
: String do return add_escape_char
("{esc}[33m")
29 fun blue
: String do return add_escape_char
("{esc}[34m")
30 fun purple
: String do return add_escape_char
("{esc}[35m")
31 fun cyan
: String do return add_escape_char
("{esc}[36m")
32 fun light_gray
: String do return add_escape_char
("{esc}[37m")
33 fun bold
: String do return add_escape_char
("{esc}[1m")
34 fun underline
: String do return add_escape_char
("{esc}[4m")