Return true if x is a symbol or keyword
(ident? :hello) ;;=> true (ident? 'abc) ;;=> true (ident? "hi") ;;=> false (ident? 123) ;;=> false
Return true if x is a symbol or keyword without a namespace
Return true if x is a symbol or keyword with a namespace
Return true if x is a Keyword
Return true if x is a Symbol
ident?