Ben/Nujel - stdlib/datetime/time.nuj

Benjamin Vincent Schulenburg [symbol-table] now returns symbols instead of keywords 6f3ef35 3 years ago 479 Commits

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; Nujel - Copyright (C) 2020-2021 - Benjamin Vincent Schulenburg
; This project uses the MIT license, a copy should be included under /LICENSE

;; Time related λs

[defun time/seconds [timestamp]
       "Return the seconds part of TIMESTAMP, defaults to current time"
       [% [default timestamp [time]] 60]]

[defun time/minutes [timestamp]
       "Return the minutes part of TIMESTAMP, defaults to current time"
       [% [/ [default timestamp [time]] 60] 60]]

[defun time/hours [timestamp]
       "Return the hours part of TIMESTAMP, defaults to current time"
       [% [/ [default timestamp [time]] 3600] 24]]

[defun profile-form [raw]
       [def start-time [time/milliseconds]]
       [def val [eval raw]]
       [def end-time [time/milliseconds]]
       [display [cat "Evaluating " [ansi-yellow [str/write raw]] " to " [ansi-green [str/write val]] " took " [ansi-red [cat [- end-time start-time] "ms"] "\n"]]]]

[defmacro profile body
          "Measure and display how much time and ressources it takes for BODY to be evaluated"
          `[profile-form '~[if [last? body]
                               [car body]
                               [cons 'do body]]]]

Ben / Nujel