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Get Internal Storage Type

Source: R/utils.R
sexp_type2.Rd

Get internal (C) data types; See https://cran.r-project.org/doc/manuals/r-release/R-ints.pdf Page 1 for more different SEXPTYPEs.

Usage

sexp_type2(x)

# S3 method for sexp_type2
as.character(x, ...)

# S3 method for sexp_type2
print(x, ...)

Arguments

x

any R object

...

ignored

Value

An integer of class "sexp_type2"

See also

storage.mode

Examples


# 1 vs 1L

# Integer case
sexp_type2(1L)
#> 13 INTSXP     integer vectors 

# double
sexp_type2(1)
#> 14 REALSXP    numeric vectors 

# Built-in function
sexp_type2(`+`)
#> 8 BUILTINSXP  builtin functions 

# normal functions
sexp_type2(sexp_type2)
#> 3 CLOSXP      closures 

# symbols (quoted names)
sexp_type2(quote(`+`))
#> 1 SYMSXP      symbols 

# Calls (quoted expressions)
sexp_type2(quote({`+`}))
#> 6 LANGSXP     language objects