# function emph(s) check(s .. "!") end
# emph("Always be closing")
Always be closing!
; check [[
; ✔️ match at <out>:3:1-3:19:
;   Always be closing!
; 
; stack trace:
;   test-data/pass/function.txt:1 in emph
;   test-data/pass/function.txt:2 in <main>
; ]]