expr_get_names

Extract (symbol) names from an expression. The expression must be a list or vector of strings and/or symbols

Usage

expr_get_names(expr)

Arguments

expr

expression to extract names from

Value

vector of strings, the names referred to in the expression

Examples

if (FALSE) { # \dontrun{
expr_get_names(expr("a")) == expr_get_names(expr(a))
expr_get_names(expr(c("a", b)))
# c("a","b")
expr_get_names(expr(list("a", b = c)))
# c("a",b="c")
} # }