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--- status: DRAFT
--- author(s): MES, taken from Dan's.
--- notes:
document {
Key => class,
Headline => "class of an object",
Usage => "class x",
Inputs => {
"x" => Thing => "any Macaulay2 object"
},
Outputs => {
Type => {"the class of ", TT "x"}
},
"Every object in Macaulay2 has a class, see ", TO "what a class is", " for more details.",
EXAMPLE {
"class {1,2,3}",
"R = QQ[a..d]",
"class R"
},
"Use strict equality ", TT "===", " to test the exact class
of an object.",
EXAMPLE {
"class R === PolynomialRing",
"class R === Ring"
},
"However, each PolynomialRing is a Ring, by inheritance, so a more
useful test uses ", TO instance, ".",
EXAMPLE {
"instance(R,Ring)"
},
SeeAlso => {instance}
}
|
