jdormit/clojure-school-of-music
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Put the options first in :modify vector

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This commit is contained in:
Jeremy Dormitzer 2018-07-28 16:17:49 -04:00
parent b51c574149
commit 3d7142f94d
1 changed files with 10 additions and 8 deletions
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18
src/music.clj
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@ -22,8 +22,10 @@
[:= note1 note2] ;; note1 simultaneous with note2
[:+ note1 note3] ;; note1 followed by note3
[:+ [:= note1 note2] note3] ;; note1 simultaneous with note2, followed by note3
[:modify note1 {::tempo 120}] ;; note1 modified to have tempo 120
[:modify [:= note1 note2] {::tempo 120 ::instrument "Dope Organ"}] ;; note1 simultaneous with note2 modified with tempo and instrument
[:modify {::tempo 120} note1] ;; note1 modified to have tempo 120
[:modify {::tempo 120
::instrument "Dope Organ"}
[:= note1 note2]] ;; note1 simultaneous with note2 modified with tempo and instrument
;; can be nested to arbitrary complexity
(def song
@ -41,22 +43,22 @@
{:duration duration})
(defn tempo [tempo music]
[:modify music {::tempo tempo}])
[:modify {::tempo tempo} music])
(defn transpose [abs-pitch music]
[:modify music {::transpose abs-pitch}])
[:modify {::transpose abs-pitch} music])
(defn instrument [instrument music]
[:modify music {::instrument instrument}])
[:modify {::instrument instrument} music])
(defn phrase [phrase-attributes music]
[:modify music {::phrase phrase-attributes}])
[:modify {::phrase phrase-attributes} music])
(defn player [player-name music]
[:modify music {::player player-name}])
[:modify {::player player-name} music])
(defn keysig [pitch-class mode music]
[:modify music {::keysig [pitch-class mode]}])
[:modify {::keysig [pitch-class mode]} music])
(defn pc-to-int [pitch-class]
(case pitch-class