# 1 vs 1L
# Integer case
sexp_type2(1L)
# double
sexp_type2(1)
# Built-in function
sexp_type2(`+`)
# normal functions
sexp_type2(sexp_type2)
# symbols (quoted names)
sexp_type2(quote(`+`))
# Calls (quoted expressions)
sexp_type2(quote({`+`}))
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