HasMember
Tests if a structure has a member with a given name.
Syntax
-
HasMember(S, s)-
Sis a structure -
sis a string
-
Description
If S is a structure and s a string, then HasMember(S, s) returns true iff S has a member named s.
Examples
date()
year: 2020 month: August day: 12
HasMember(date(), "year")
true
HasMember(date(), "NargleCount")
false