Mininotation can take patterns after symbols e.g. ~ @ _ and ?

[inspiralpatterns]

Currently, it is possible to use patterns inside the mininotation e.g.

setB "kick" $ fast (irand 16) "t"
d1 $ struct "^kick 1@3 1@2" $ s "bd"

However, it seems that mininotation does not allow to use patterns after symbols such as ~, @ and _. The following example will not give the desired outcome:

do
    let n = irand 8
    d1 $ struct "t!^n f@^n t@^n" $ s "p_bd"

In fact, it produces only one possible outcome.

Although workarounds exist as noted by @bgold-cosmos e.g.

setB "kick" $ fast (irand 16) "t"
d1 $ struct "^kick 1@3 1@2" $ s "bd"

I think it would be nice to have such an option.

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PS: it might be totally possible that I am using the wrong syntax, if so what is the correct way of doing it?

[yaxu]

Just to rephrase the underlying problem is that e.g. "1@<3 4> 2" :: Pattern Int doesn't work.

[bgold-cosmos]

Apart from technical issues, one possible point of confusion is that the notation for ! and _ allows spacing, so you can write things like "bd ! ! sn" or "bd !2 sn". But if you can modify them with patterns, then both of these are allowed

n "0 ! ! <1 2>"
n "0 ! !<1 2>"

but probably were intended to mean completely different things

[inspiralpatterns]

Just to rephrase the underlying problem is that e.g. "1@<3 4> 2" :: Pattern Int doesn't work.

True that! I remember I came up some time ago with the same exact problem, check this question on Tidal club.